56.3% is the change from 135 to 211
Calculation steps:
[( 211 - 135 ) ÷ 135] x 100 = 56.3%
Formula
Percentage change = [(211 - 135) / 135] x 100
Subtract the new number by the original number
211 - 135 = 76
76 ÷ 135 = 0.562962962962963
0.562962962962963 x 100 = 56.3%