-82.91% is the change from 597 to 102
Calculation steps:
[( 102 - 597 ) ÷ 597] x 100 = -82.91%
Formula
Percentage change = [(102 - 597) / 597] x 100
Subtract the new number by the original number
102 - 597 = -495
-495 ÷ 597 = -0.8291457286432161
-0.8291457286432161 x 100 = -82.91%