58.94% is the change from 397 to 631
Calculation steps:
[( 631 - 397 ) ÷ 397] x 100 = 58.94%
Formula
Percentage change = [(631 - 397) / 397] x 100
Subtract the new number by the original number
631 - 397 = 234
234 ÷ 397 = 0.5894206549118388
0.5894206549118388 x 100 = 58.94%