-17.44% is the change from 671 to 554
Calculation steps:
[( 554 - 671 ) ÷ 671] x 100 = -17.44%
Formula
Percentage change = [(554 - 671) / 671] x 100
Subtract the new number by the original number
554 - 671 = -117
-117 ÷ 671 = -0.17436661698956782
-0.17436661698956782 x 100 = -17.44%