98.49% is the change from 397 to 788
Calculation steps:
[( 788 - 397 ) ÷ 397] x 100 = 98.49%
Formula
Percentage change = [(788 - 397) / 397] x 100
Subtract the new number by the original number
788 - 397 = 391
391 ÷ 397 = 0.9848866498740554
0.9848866498740554 x 100 = 98.49%