-30.26% is the change from 912 to 636
Calculation steps:
[( 636 - 912 ) ÷ 912] x 100 = -30.26%
Formula
Percentage change = [(636 - 912) / 912] x 100
Subtract the new number by the original number
636 - 912 = -276
-276 ÷ 912 = -0.3026315789473684
-0.3026315789473684 x 100 = -30.26%