25.19% is the change from 397 to 497
Calculation steps:
[( 497 - 397 ) ÷ 397] x 100 = 25.19%
Formula
Percentage change = [(497 - 397) / 397] x 100
Subtract the new number by the original number
497 - 397 = 100
100 ÷ 397 = 0.2518891687657431
0.2518891687657431 x 100 = 25.19%