213.03% is the change from 261 to 817
Calculation steps:
[( 817 - 261 ) ÷ 261] x 100 = 213.03%
Formula
Percentage change = [(817 - 261) / 261] x 100
Subtract the new number by the original number
817 - 261 = 556
556 ÷ 261 = 2.1302681992337167
2.1302681992337167 x 100 = 213.03%