316.59% is the change from 217 to 904
Calculation steps:
[( 904 - 217 ) ÷ 217] x 100 = 316.59%
Formula
Percentage change = [(904 - 217) / 217] x 100
Subtract the new number by the original number
904 - 217 = 687
687 ÷ 217 = 3.165898617511521
3.165898617511521 x 100 = 316.59%