108.82% is the change from 340 to 710
Calculation steps:
[( 710 - 340 ) ÷ 340] x 100 = 108.82%
Formula
Percentage change = [(710 - 340) / 340] x 100
Subtract the new number by the original number
710 - 340 = 370
370 ÷ 340 = 1.088235294117647
1.088235294117647 x 100 = 108.82%