-73.2% is the change from 582 to 156
Calculation steps:
[( 156 - 582 ) ÷ 582] x 100 = -73.2%
Formula
Percentage change = [(156 - 582) / 582] x 100
Subtract the new number by the original number
156 - 582 = -426
-426 ÷ 582 = -0.7319587628865979
-0.7319587628865979 x 100 = -73.2%