121.24% is the change from 339 to 750
Calculation steps:
[( 750 - 339 ) ÷ 339] x 100 = 121.24%
Formula
Percentage change = [(750 - 339) / 339] x 100
Subtract the new number by the original number
750 - 339 = 411
411 ÷ 339 = 1.2123893805309736
1.2123893805309736 x 100 = 121.24%