343.32% is the change from 217 to 962
Calculation steps:
[( 962 - 217 ) ÷ 217] x 100 = 343.32%
Formula
Percentage change = [(962 - 217) / 217] x 100
Subtract the new number by the original number
962 - 217 = 745
745 ÷ 217 = 3.4331797235023043
3.4331797235023043 x 100 = 343.32%