-83.97% is the change from 599 to 96
Calculation steps:
[( 96 - 599 ) ÷ 599] x 100 = -83.97%
Formula
Percentage change = [(96 - 599) / 599] x 100
Subtract the new number by the original number
96 - 599 = -503
-503 ÷ 599 = -0.8397328881469115
-0.8397328881469115 x 100 = -83.97%