54.07% is the change from 135 to 208
Calculation steps:
[( 208 - 135 ) ÷ 135] x 100 = 54.07%
Formula
Percentage change = [(208 - 135) / 135] x 100
Subtract the new number by the original number
208 - 135 = 73
73 ÷ 135 = 0.5407407407407407
0.5407407407407407 x 100 = 54.07%