214.56% is the change from 261 to 821
Calculation steps:
[( 821 - 261 ) ÷ 261] x 100 = 214.56%
Formula
Percentage change = [(821 - 261) / 261] x 100
Subtract the new number by the original number
821 - 261 = 560
560 ÷ 261 = 2.1455938697318007
2.1455938697318007 x 100 = 214.56%