304.55% is the change from 220 to 890
Calculation steps:
[( 890 - 220 ) ÷ 220] x 100 = 304.55%
Formula
Percentage change = [(890 - 220) / 220] x 100
Subtract the new number by the original number
890 - 220 = 670
670 ÷ 220 = 3.0454545454545454
3.0454545454545454 x 100 = 304.55%