240.91% is the change from 220 to 750
Calculation steps:
[( 750 - 220 ) ÷ 220] x 100 = 240.91%
Formula
Percentage change = [(750 - 220) / 220] x 100
Subtract the new number by the original number
750 - 220 = 530
530 ÷ 220 = 2.409090909090909
2.409090909090909 x 100 = 240.91%