99.5% is the change from 397 to 792
Calculation steps:
[( 792 - 397 ) ÷ 397] x 100 = 99.5%
Formula
Percentage change = [(792 - 397) / 397] x 100
Subtract the new number by the original number
792 - 397 = 395
395 ÷ 397 = 0.9949622166246851
0.9949622166246851 x 100 = 99.5%