5.48% is the change from 219 to 231
Calculation steps:
[( 231 - 219 ) ÷ 219] x 100 = 5.48%
Formula
Percentage change = [(231 - 219) / 219] x 100
Subtract the new number by the original number
231 - 219 = 12
12 ÷ 219 = 0.0547945205479452
0.0547945205479452 x 100 = 5.48%