59.12% is the change from 137 to 218
Calculation steps:
[( 218 - 137 ) ÷ 137] x 100 = 59.12%
Formula
Percentage change = [(218 - 137) / 137] x 100
Subtract the new number by the original number
218 - 137 = 81
81 ÷ 137 = 0.5912408759124088
0.5912408759124088 x 100 = 59.12%