-83.86% is the change from 601 to 97
Calculation steps:
[( 97 - 601 ) ÷ 601] x 100 = -83.86%
Formula
Percentage change = [(97 - 601) / 601] x 100
Subtract the new number by the original number
97 - 601 = -504
-504 ÷ 601 = -0.8386023294509152
-0.8386023294509152 x 100 = -83.86%