-50.69% is the change from 217 to 107
Calculation steps:
[( 107 - 217 ) ÷ 217] x 100 = -50.69%
Formula
Percentage change = [(107 - 217) / 217] x 100
Subtract the new number by the original number
107 - 217 = -110
-110 ÷ 217 = -0.5069124423963134
-0.5069124423963134 x 100 = -50.69%