-74.07% is the change from 671 to 174
Calculation steps:
[( 174 - 671 ) ÷ 671] x 100 = -74.07%
Formula
Percentage change = [(174 - 671) / 671] x 100
Subtract the new number by the original number
174 - 671 = -497
-497 ÷ 671 = -0.7406855439642325
-0.7406855439642325 x 100 = -74.07%