232.39% is the change from 247 to 821
Calculation steps:
[( 821 - 247 ) ÷ 247] x 100 = 232.39%
Formula
Percentage change = [(821 - 247) / 247] x 100
Subtract the new number by the original number
821 - 247 = 574
574 ÷ 247 = 2.3238866396761133
2.3238866396761133 x 100 = 232.39%