72.54% is the change from 397 to 685
Calculation steps:
[( 685 - 397 ) ÷ 397] x 100 = 72.54%
Formula
Percentage change = [(685 - 397) / 397] x 100
Subtract the new number by the original number
685 - 397 = 288
288 ÷ 397 = 0.72544080604534
0.72544080604534 x 100 = 72.54%