-77.36% is the change from 636 to 144
Calculation steps:
[( 144 - 636 ) ÷ 636] x 100 = -77.36%
Formula
Percentage change = [(144 - 636) / 636] x 100
Subtract the new number by the original number
144 - 636 = -492
-492 ÷ 636 = -0.7735849056603774
-0.7735849056603774 x 100 = -77.36%