69.27% is the change from 397 to 672
Calculation steps:
[( 672 - 397 ) ÷ 397] x 100 = 69.27%
Formula
Percentage change = [(672 - 397) / 397] x 100
Subtract the new number by the original number
672 - 397 = 275
275 ÷ 397 = 0.6926952141057935
0.6926952141057935 x 100 = 69.27%