-22.64% is the change from 636 to 492
Calculation steps:
[( 492 - 636 ) ÷ 636] x 100 = -22.64%
Formula
Percentage change = [(492 - 636) / 636] x 100
Subtract the new number by the original number
492 - 636 = -144
-144 ÷ 636 = -0.22641509433962265
-0.22641509433962265 x 100 = -22.64%