-90.82% is the change from 588 to 54
Calculation steps:
[( 54 - 588 ) ÷ 588] x 100 = -90.82%
Formula
Percentage change = [(54 - 588) / 588] x 100
Subtract the new number by the original number
54 - 588 = -534
-534 ÷ 588 = -0.9081632653061225
-0.9081632653061225 x 100 = -90.82%