12.22% is the change from 491 to 551
Calculation steps:
[( 551 - 491 ) ÷ 491] x 100 = 12.22%
Formula
Percentage change = [(551 - 491) / 491] x 100
Subtract the new number by the original number
551 - 491 = 60
60 ÷ 491 = 0.12219959266802444
0.12219959266802444 x 100 = 12.22%