122.06% is the change from 340 to 755
Calculation steps:
[( 755 - 340 ) ÷ 340] x 100 = 122.06%
Formula
Percentage change = [(755 - 340) / 340] x 100
Subtract the new number by the original number
755 - 340 = 415
415 ÷ 340 = 1.2205882352941178
1.2205882352941178 x 100 = 122.06%