-25.63% is the change from 671 to 499
Calculation steps:
[( 499 - 671 ) ÷ 671] x 100 = -25.63%
Formula
Percentage change = [(499 - 671) / 671] x 100
Subtract the new number by the original number
499 - 671 = -172
-172 ÷ 671 = -0.2563338301043219
-0.2563338301043219 x 100 = -25.63%