-47.24% is the change from 961 to 507
Calculation steps:
[( 507 - 961 ) ÷ 961] x 100 = -47.24%
Formula
Percentage change = [(507 - 961) / 961] x 100
Subtract the new number by the original number
507 - 961 = -454
-454 ÷ 961 = -0.4724245577523413
-0.4724245577523413 x 100 = -47.24%