Before revision:  Specifically, the former predicts the proportion of time individuals will be on income support in the next four years with greater accuracy, by a magnitude of at least 22\% (14 percentage points increase in the R2), compared to the latter.
After revision:  Specifically, the former predicts the proportion of time individuals will be on income support in the subsequent four years with greater accuracy, by a magnitude of at least 22\% (14 percentage points increase in the R2), compared to the latter.