308.64% is the change from 220 to 899
Calculation steps:
[( 899 - 220 ) ÷ 220] x 100 = 308.64%
Formula
Percentage change = [(899 - 220) / 220] x 100
Subtract the new number by the original number
899 - 220 = 679
679 ÷ 220 = 3.0863636363636364
3.0863636363636364 x 100 = 308.64%