317.27% is the change from 220 to 918
Calculation steps:
[( 918 - 220 ) ÷ 220] x 100 = 317.27%
Formula
Percentage change = [(918 - 220) / 220] x 100
Subtract the new number by the original number
918 - 220 = 698
698 ÷ 220 = 3.172727272727273
3.172727272727273 x 100 = 317.27%