255% is the change from 220 to 781
Calculation steps:
[( 781 - 220 ) ÷ 220] x 100 = 255%
Formula
Percentage change = [(781 - 220) / 220] x 100
Subtract the new number by the original number
781 - 220 = 561
561 ÷ 220 = 2.55
2.55 x 100 = 255%
Example