43.44% is the change from 221 to 317
Calculation steps:
[( 317 - 221 ) ÷ 221] x 100 = 43.44%
Formula
Percentage change = [(317 - 221) / 221] x 100
Subtract the new number by the original number
317 - 221 = 96
96 ÷ 221 = 0.4343891402714932
0.4343891402714932 x 100 = 43.44%