314.86% is the change from 222 to 921
Calculation steps:
[( 921 - 222 ) ÷ 222] x 100 = 314.86%
Formula
Percentage change = [(921 - 222) / 222] x 100
Subtract the new number by the original number
921 - 222 = 699
699 ÷ 222 = 3.1486486486486487
3.1486486486486487 x 100 = 314.86%