-49.77% is the change from 215 to 108
Calculation steps:
[( 108 - 215 ) ÷ 215] x 100 = -49.77%
Formula
Percentage change = [(108 - 215) / 215] x 100
Subtract the new number by the original number
108 - 215 = -107
-107 ÷ 215 = -0.49767441860465117
-0.49767441860465117 x 100 = -49.77%