117.65% is the change from 340 to 740
Calculation steps:
[( 740 - 340 ) ÷ 340] x 100 = 117.65%
Formula
Percentage change = [(740 - 340) / 340] x 100
Subtract the new number by the original number
740 - 340 = 400
400 ÷ 340 = 1.1764705882352942
1.1764705882352942 x 100 = 117.65%