-99.53% is the change from 636 to 3
Calculation steps:
[( 3 - 636 ) ÷ 636] x 100 = -99.53%
Formula
Percentage change = [(3 - 636) / 636] x 100
Subtract the new number by the original number
3 - 636 = -633
-633 ÷ 636 = -0.9952830188679245
-0.9952830188679245 x 100 = -99.53%