-88.99% is the change from 636 to 70
Calculation steps:
[( 70 - 636 ) ÷ 636] x 100 = -88.99%
Formula
Percentage change = [(70 - 636) / 636] x 100
Subtract the new number by the original number
70 - 636 = -566
-566 ÷ 636 = -0.889937106918239
-0.889937106918239 x 100 = -88.99%