48.85% is the change from 217 to 323
Calculation steps:
[( 323 - 217 ) ÷ 217] x 100 = 48.85%
Formula
Percentage change = [(323 - 217) / 217] x 100
Subtract the new number by the original number
323 - 217 = 106
106 ÷ 217 = 0.48847926267281105
0.48847926267281105 x 100 = 48.85%