-13.23% is the change from 635 to 551
Calculation steps:
[( 551 - 635 ) ÷ 635] x 100 = -13.23%
Formula
Percentage change = [(551 - 635) / 635] x 100
Subtract the new number by the original number
551 - 635 = -84
-84 ÷ 635 = -0.13228346456692913
-0.13228346456692913 x 100 = -13.23%