-18.26% is the change from 597 to 488
Calculation steps:
[( 488 - 597 ) ÷ 597] x 100 = -18.26%
Formula
Percentage change = [(488 - 597) / 597] x 100
Subtract the new number by the original number
488 - 597 = -109
-109 ÷ 597 = -0.18257956448911222
-0.18257956448911222 x 100 = -18.26%