39.74% is the change from 156 to 218
Calculation steps:
[( 218 - 156 ) ÷ 156] x 100 = 39.74%
Formula
Percentage change = [(218 - 156) / 156] x 100
Subtract the new number by the original number
218 - 156 = 62
62 ÷ 156 = 0.3974358974358974
0.3974358974358974 x 100 = 39.74%