-31.02% is the change from 922 to 636
Calculation steps:
[( 636 - 922 ) ÷ 922] x 100 = -31.02%
Formula
Percentage change = [(636 - 922) / 922] x 100
Subtract the new number by the original number
636 - 922 = -286
-286 ÷ 922 = -0.31019522776572667
-0.31019522776572667 x 100 = -31.02%