-31.06% is the change from 924 to 637
Calculation steps:
[( 637 - 924 ) ÷ 924] x 100 = -31.06%
Formula
Percentage change = [(637 - 924) / 924] x 100
Subtract the new number by the original number
637 - 924 = -287
-287 ÷ 924 = -0.3106060606060606
-0.3106060606060606 x 100 = -31.06%