212.26% is the change from 261 to 815
Calculation steps:
[( 815 - 261 ) ÷ 261] x 100 = 212.26%
Formula
Percentage change = [(815 - 261) / 261] x 100
Subtract the new number by the original number
815 - 261 = 554
554 ÷ 261 = 2.1226053639846745
2.1226053639846745 x 100 = 212.26%