-87.8% is the change from 590 to 72
Calculation steps:
[( 72 - 590 ) ÷ 590] x 100 = -87.8%
Formula
Percentage change = [(72 - 590) / 590] x 100
Subtract the new number by the original number
72 - 590 = -518
-518 ÷ 590 = -0.8779661016949153
-0.8779661016949153 x 100 = -87.8%