-10.89% is the change from 551 to 491
Calculation steps:
[( 491 - 551 ) ÷ 551] x 100 = -10.89%
Formula
Percentage change = [(491 - 551) / 551] x 100
Subtract the new number by the original number
491 - 551 = -60
-60 ÷ 551 = -0.1088929219600726
-0.1088929219600726 x 100 = -10.89%