31.11% is the change from 135 to 177
Calculation steps:
[( 177 - 135 ) ÷ 135] x 100 = 31.11%
Formula
Percentage change = [(177 - 135) / 135] x 100
Subtract the new number by the original number
177 - 135 = 42
42 ÷ 135 = 0.3111111111111111
0.3111111111111111 x 100 = 31.11%