169.71% is the change from 340 to 917
Calculation steps:
[( 917 - 340 ) ÷ 340] x 100 = 169.71%
Formula
Percentage change = [(917 - 340) / 340] x 100
Subtract the new number by the original number
917 - 340 = 577
577 ÷ 340 = 1.6970588235294117
1.6970588235294117 x 100 = 169.71%