50% is the change from 218 to 327
Calculation steps:
[( 327 - 218 ) ÷ 218] x 100 = 50%
Formula
Percentage change = [(327 - 218) / 218] x 100
Subtract the new number by the original number
327 - 218 = 109
109 ÷ 218 = 0.5
0.5 x 100 = 50%
Example