240.66% is the change from 241 to 821
Calculation steps:
[( 821 - 241 ) ÷ 241] x 100 = 240.66%
Formula
Percentage change = [(821 - 241) / 241] x 100
Subtract the new number by the original number
821 - 241 = 580
580 ÷ 241 = 2.4066390041493775
2.4066390041493775 x 100 = 240.66%