-47.25% is the change from 218 to 115
Calculation steps:
[( 115 - 218 ) ÷ 218] x 100 = -47.25%
Formula
Percentage change = [(115 - 218) / 218] x 100
Subtract the new number by the original number
115 - 218 = -103
-103 ÷ 218 = -0.4724770642201835
-0.4724770642201835 x 100 = -47.25%