96.26% is the change from 508 to 997
Calculation steps:
[( 997 - 508 ) ÷ 508] x 100 = 96.26%
Formula
Percentage change = [(997 - 508) / 508] x 100
Subtract the new number by the original number
997 - 508 = 489
489 ÷ 508 = 0.9625984251968503
0.9625984251968503 x 100 = 96.26%