-82.3% is the change from 113 to 20
Calculation steps:
[( 20 - 113 ) ÷ 113] x 100 = -82.3%
Formula
Percentage change = [(20 - 113) / 113] x 100
Subtract the new number by the original number
20 - 113 = -93
-93 ÷ 113 = -0.8230088495575221
-0.8230088495575221 x 100 = -82.3%