13.61% is the change from 485 to 551
Calculation steps:
[( 551 - 485 ) ÷ 485] x 100 = 13.61%
Formula
Percentage change = [(551 - 485) / 485] x 100
Subtract the new number by the original number
551 - 485 = 66
66 ÷ 485 = 0.1360824742268041
0.1360824742268041 x 100 = 13.61%