323.98% is the change from 221 to 937
Calculation steps:
[( 937 - 221 ) ÷ 221] x 100 = 323.98%
Formula
Percentage change = [(937 - 221) / 221] x 100
Subtract the new number by the original number
937 - 221 = 716
716 ÷ 221 = 3.239819004524887
3.239819004524887 x 100 = 323.98%