120.59% is the change from 340 to 750
Calculation steps:
[( 750 - 340 ) ÷ 340] x 100 = 120.59%
Formula
Percentage change = [(750 - 340) / 340] x 100
Subtract the new number by the original number
750 - 340 = 410
410 ÷ 340 = 1.2058823529411764
1.2058823529411764 x 100 = 120.59%