97.98% is the change from 248 to 491
Calculation steps:
[( 491 - 248 ) ÷ 248] x 100 = 97.98%
Formula
Percentage change = [(491 - 248) / 248] x 100
Subtract the new number by the original number
491 - 248 = 243
243 ÷ 248 = 0.9798387096774194
0.9798387096774194 x 100 = 97.98%