-29.37% is the change from 950 to 671
Calculation steps:
[( 671 - 950 ) ÷ 950] x 100 = -29.37%
Formula
Percentage change = [(671 - 950) / 950] x 100
Subtract the new number by the original number
671 - 950 = -279
-279 ÷ 950 = -0.29368421052631577
-0.29368421052631577 x 100 = -29.37%