-83.81% is the change from 599 to 97
Calculation steps:
[( 97 - 599 ) ÷ 599] x 100 = -83.81%
Formula
Percentage change = [(97 - 599) / 599] x 100
Subtract the new number by the original number
97 - 599 = -502
-502 ÷ 599 = -0.8380634390651085
-0.8380634390651085 x 100 = -83.81%