209.2% is the change from 261 to 807
Calculation steps:
[( 807 - 261 ) ÷ 261] x 100 = 209.2%
Formula
Percentage change = [(807 - 261) / 261] x 100
Subtract the new number by the original number
807 - 261 = 546
546 ÷ 261 = 2.0919540229885056
2.0919540229885056 x 100 = 209.2%