-71.54% is the change from 636 to 181
Calculation steps:
[( 181 - 636 ) ÷ 636] x 100 = -71.54%
Formula
Percentage change = [(181 - 636) / 636] x 100
Subtract the new number by the original number
181 - 636 = -455
-455 ÷ 636 = -0.7154088050314465
-0.7154088050314465 x 100 = -71.54%