46.61% is the change from 221 to 324
Calculation steps:
[( 324 - 221 ) ÷ 221] x 100 = 46.61%
Formula
Percentage change = [(324 - 221) / 221] x 100
Subtract the new number by the original number
324 - 221 = 103
103 ÷ 221 = 0.4660633484162896
0.4660633484162896 x 100 = 46.61%