3.38% is the change from 650 to 672
Calculation steps:
[( 672 - 650 ) ÷ 650] x 100 = 3.38%
Formula
Percentage change = [(672 - 650) / 650] x 100
Subtract the new number by the original number
672 - 650 = 22
22 ÷ 650 = 0.033846153846153845
0.033846153846153845 x 100 = 3.38%