60.74% is the change from 135 to 217
Calculation steps:
[( 217 - 135 ) ÷ 135] x 100 = 60.74%
Formula
Percentage change = [(217 - 135) / 135] x 100
Subtract the new number by the original number
217 - 135 = 82
82 ÷ 135 = 0.6074074074074074
0.6074074074074074 x 100 = 60.74%