-57.69% is the change from 936 to 396
Calculation steps:
[( 396 - 936 ) ÷ 936] x 100 = -57.69%
Formula
Percentage change = [(396 - 936) / 936] x 100
Subtract the new number by the original number
396 - 936 = -540
-540 ÷ 936 = -0.5769230769230769
-0.5769230769230769 x 100 = -57.69%