-87.97% is the change from 582 to 70
Calculation steps:
[( 70 - 582 ) ÷ 582] x 100 = -87.97%
Formula
Percentage change = [(70 - 582) / 582] x 100
Subtract the new number by the original number
70 - 582 = -512
-512 ÷ 582 = -0.8797250859106529
-0.8797250859106529 x 100 = -87.97%