-75.47% is the change from 636 to 156
Calculation steps:
[( 156 - 636 ) ÷ 636] x 100 = -75.47%
Formula
Percentage change = [(156 - 636) / 636] x 100
Subtract the new number by the original number
156 - 636 = -480
-480 ÷ 636 = -0.7547169811320755
-0.7547169811320755 x 100 = -75.47%