-51.13% is the change from 221 to 108
Calculation steps:
[( 108 - 221 ) ÷ 221] x 100 = -51.13%
Formula
Percentage change = [(108 - 221) / 221] x 100
Subtract the new number by the original number
108 - 221 = -113
-113 ÷ 221 = -0.5113122171945701
-0.5113122171945701 x 100 = -51.13%