-81.17% is the change from 223 to 42
Calculation steps:
[( 42 - 223 ) ÷ 223] x 100 = -81.17%
Formula
Percentage change = [(42 - 223) / 223] x 100
Subtract the new number by the original number
42 - 223 = -181
-181 ÷ 223 = -0.8116591928251121
-0.8116591928251121 x 100 = -81.17%