912.5% is the change from 24 to 243
Calculation steps:
[( 243 - 24 ) ÷ 24] x 100 = 912.5%
Formula
Percentage change = [(243 - 24) / 24] x 100
Subtract the new number by the original number
243 - 24 = 219
219 ÷ 24 = 9.125
9.125 x 100 = 912.5%
Example