-88.94% is the change from 217 to 24
Calculation steps:
[( 24 - 217 ) ÷ 217] x 100 = -88.94%
Formula
Percentage change = [(24 - 217) / 217] x 100
Subtract the new number by the original number
24 - 217 = -193
-193 ÷ 217 = -0.8894009216589862
-0.8894009216589862 x 100 = -88.94%