-55.5% is the change from 218 to 97
Calculation steps:
[( 97 - 218 ) ÷ 218] x 100 = -55.5%
Formula
Percentage change = [(97 - 218) / 218] x 100
Subtract the new number by the original number
97 - 218 = -121
-121 ÷ 218 = -0.555045871559633
-0.555045871559633 x 100 = -55.5%