820.83% is the change from 24 to 221
Calculation steps:
[( 221 - 24 ) ÷ 24] x 100 = 820.83%
Formula
Percentage change = [(221 - 24) / 24] x 100
Subtract the new number by the original number
221 - 24 = 197
197 ÷ 24 = 8.208333333333334
8.208333333333334 x 100 = 820.83%