317.19% is the change from 221 to 922
Calculation steps:
[( 922 - 221 ) ÷ 221] x 100 = 317.19%
Formula
Percentage change = [(922 - 221) / 221] x 100
Subtract the new number by the original number
922 - 221 = 701
701 ÷ 221 = 3.171945701357466
3.171945701357466 x 100 = 317.19%