-33.85% is the change from 960 to 635
Calculation steps:
[( 635 - 960 ) ÷ 960] x 100 = -33.85%
Formula
Percentage change = [(635 - 960) / 960] x 100
Subtract the new number by the original number
635 - 960 = -325
-325 ÷ 960 = -0.3385416666666667
-0.3385416666666667 x 100 = -33.85%