-83.5% is the change from 588 to 97
Calculation steps:
[( 97 - 588 ) ÷ 588] x 100 = -83.5%
Formula
Percentage change = [(97 - 588) / 588] x 100
Subtract the new number by the original number
97 - 588 = -491
-491 ÷ 588 = -0.8350340136054422
-0.8350340136054422 x 100 = -83.5%