155.56% is the change from 135 to 345
Calculation steps:
[( 345 - 135 ) ÷ 135] x 100 = 155.56%
Formula
Percentage change = [(345 - 135) / 135] x 100
Subtract the new number by the original number
345 - 135 = 210
210 ÷ 135 = 1.5555555555555556
1.5555555555555556 x 100 = 155.56%