-17.39% is the change from 667 to 551
Calculation steps:
[( 551 - 667 ) ÷ 667] x 100 = -17.39%
Formula
Percentage change = [(551 - 667) / 667] x 100
Subtract the new number by the original number
551 - 667 = -116
-116 ÷ 667 = -0.17391304347826086
-0.17391304347826086 x 100 = -17.39%