48.39% is the change from 217 to 322
Calculation steps:
[( 322 - 217 ) ÷ 217] x 100 = 48.39%
Formula
Percentage change = [(322 - 217) / 217] x 100
Subtract the new number by the original number
322 - 217 = 105
105 ÷ 217 = 0.4838709677419355
0.4838709677419355 x 100 = 48.39%