336.2% is the change from 221 to 964
Calculation steps:
[( 964 - 221 ) ÷ 221] x 100 = 336.2%
Formula
Percentage change = [(964 - 221) / 221] x 100
Subtract the new number by the original number
964 - 221 = 743
743 ÷ 221 = 3.3619909502262444
3.3619909502262444 x 100 = 336.2%