136.76% is the change from 340 to 805
Calculation steps:
[( 805 - 340 ) ÷ 340] x 100 = 136.76%
Formula
Percentage change = [(805 - 340) / 340] x 100
Subtract the new number by the original number
805 - 340 = 465
465 ÷ 340 = 1.3676470588235294
1.3676470588235294 x 100 = 136.76%