66.41% is the change from 131 to 218
Calculation steps:
[( 218 - 131 ) ÷ 131] x 100 = 66.41%
Formula
Percentage change = [(218 - 131) / 131] x 100
Subtract the new number by the original number
218 - 131 = 87
87 ÷ 131 = 0.6641221374045801
0.6641221374045801 x 100 = 66.41%