-85.42% is the change from 823 to 120
Calculation steps:
[( 120 - 823 ) ÷ 823] x 100 = -85.42%
Formula
Percentage change = [(120 - 823) / 823] x 100
Subtract the new number by the original number
120 - 823 = -703
-703 ÷ 823 = -0.8541919805589308
-0.8541919805589308 x 100 = -85.42%