164.71% is the change from 340 to 900
Calculation steps:
[( 900 - 340 ) ÷ 340] x 100 = 164.71%
Formula
Percentage change = [(900 - 340) / 340] x 100
Subtract the new number by the original number
900 - 340 = 560
560 ÷ 340 = 1.6470588235294117
1.6470588235294117 x 100 = 164.71%