225.79% is the change from 252 to 821
Calculation steps:
[( 821 - 252 ) ÷ 252] x 100 = 225.79%
Formula
Percentage change = [(821 - 252) / 252] x 100
Subtract the new number by the original number
821 - 252 = 569
569 ÷ 252 = 2.257936507936508
2.257936507936508 x 100 = 225.79%