-31.17% is the change from 924 to 636
Calculation steps:
[( 636 - 924 ) ÷ 924] x 100 = -31.17%
Formula
Percentage change = [(636 - 924) / 924] x 100
Subtract the new number by the original number
636 - 924 = -288
-288 ÷ 924 = -0.3116883116883117
-0.3116883116883117 x 100 = -31.17%