-11.56% is the change from 588 to 520
Calculation steps:
[( 520 - 588 ) ÷ 588] x 100 = -11.56%
Formula
Percentage change = [(520 - 588) / 588] x 100
Subtract the new number by the original number
520 - 588 = -68
-68 ÷ 588 = -0.11564625850340136
-0.11564625850340136 x 100 = -11.56%