48.62% is the change from 218 to 324
Calculation steps:
[( 324 - 218 ) ÷ 218] x 100 = 48.62%
Formula
Percentage change = [(324 - 218) / 218] x 100
Subtract the new number by the original number
324 - 218 = 106
106 ÷ 218 = 0.48623853211009177
0.48623853211009177 x 100 = 48.62%