35% is the change from 340 to 459
Calculation steps:
[( 459 - 340 ) ÷ 340] x 100 = 35%
Formula
Percentage change = [(459 - 340) / 340] x 100
Subtract the new number by the original number
459 - 340 = 119
119 ÷ 340 = 0.35
0.35 x 100 = 35%
Example