204.55% is the change from 220 to 670
Calculation steps:
[( 670 - 220 ) ÷ 220] x 100 = 204.55%
Formula
Percentage change = [(670 - 220) / 220] x 100
Subtract the new number by the original number
670 - 220 = 450
450 ÷ 220 = 2.0454545454545454
2.0454545454545454 x 100 = 204.55%