26.74% is the change from 172 to 218
Calculation steps:
[( 218 - 172 ) ÷ 172] x 100 = 26.74%
Formula
Percentage change = [(218 - 172) / 172] x 100
Subtract the new number by the original number
218 - 172 = 46
46 ÷ 172 = 0.26744186046511625
0.26744186046511625 x 100 = 26.74%