-77.52% is the change from 636 to 143
Calculation steps:
[( 143 - 636 ) ÷ 636] x 100 = -77.52%
Formula
Percentage change = [(143 - 636) / 636] x 100
Subtract the new number by the original number
143 - 636 = -493
-493 ÷ 636 = -0.7751572327044025
-0.7751572327044025 x 100 = -77.52%