266.82% is the change from 220 to 807
Calculation steps:
[( 807 - 220 ) ÷ 220] x 100 = 266.82%
Formula
Percentage change = [(807 - 220) / 220] x 100
Subtract the new number by the original number
807 - 220 = 587
587 ÷ 220 = 2.668181818181818
2.668181818181818 x 100 = 266.82%