344.7% is the change from 217 to 965
Calculation steps:
[( 965 - 217 ) ÷ 217] x 100 = 344.7%
Formula
Percentage change = [(965 - 217) / 217] x 100
Subtract the new number by the original number
965 - 217 = 748
748 ÷ 217 = 3.447004608294931
3.447004608294931 x 100 = 344.7%