0.3% is the change from 670 to 672
Calculation steps:
[( 672 - 670 ) ÷ 670] x 100 = 0.3%
Formula
Percentage change = [(672 - 670) / 670] x 100
Subtract the new number by the original number
672 - 670 = 2
2 ÷ 670 = 0.0029850746268656717
0.0029850746268656717 x 100 = 0.3%