-33.69% is the change from 935 to 620
Calculation steps:
[( 620 - 935 ) ÷ 935] x 100 = -33.69%
Formula
Percentage change = [(620 - 935) / 935] x 100
Subtract the new number by the original number
620 - 935 = -315
-315 ÷ 935 = -0.33689839572192515
-0.33689839572192515 x 100 = -33.69%