-55.16% is the change from 223 to 100
Calculation steps:
[( 100 - 223 ) ÷ 223] x 100 = -55.16%
Formula
Percentage change = [(100 - 223) / 223] x 100
Subtract the new number by the original number
100 - 223 = -123
-123 ÷ 223 = -0.5515695067264574
-0.5515695067264574 x 100 = -55.16%