-48.34% is the change from 211 to 109
Calculation steps:
[( 109 - 211 ) ÷ 211] x 100 = -48.34%
Formula
Percentage change = [(109 - 211) / 211] x 100
Subtract the new number by the original number
109 - 211 = -102
-102 ÷ 211 = -0.4834123222748815
-0.4834123222748815 x 100 = -48.34%