213.41% is the change from 261 to 818
Calculation steps:
[( 818 - 261 ) ÷ 261] x 100 = 213.41%
Formula
Percentage change = [(818 - 261) / 261] x 100
Subtract the new number by the original number
818 - 261 = 557
557 ÷ 261 = 2.1340996168582373
2.1340996168582373 x 100 = 213.41%