-84.12% is the change from 636 to 101
Calculation steps:
[( 101 - 636 ) ÷ 636] x 100 = -84.12%
Formula
Percentage change = [(101 - 636) / 636] x 100
Subtract the new number by the original number
101 - 636 = -535
-535 ÷ 636 = -0.8411949685534591
-0.8411949685534591 x 100 = -84.12%