-81.42% is the change from 113 to 21
Calculation steps:
[( 21 - 113 ) ÷ 113] x 100 = -81.42%
Formula
Percentage change = [(21 - 113) / 113] x 100
Subtract the new number by the original number
21 - 113 = -92
-92 ÷ 113 = -0.8141592920353983
-0.8141592920353983 x 100 = -81.42%