7.91% is the change from 455 to 491
Calculation steps:
[( 491 - 455 ) ÷ 455] x 100 = 7.91%
Formula
Percentage change = [(491 - 455) / 455] x 100
Subtract the new number by the original number
491 - 455 = 36
36 ÷ 455 = 0.07912087912087912
0.07912087912087912 x 100 = 7.91%