-31.95% is the change from 986 to 671
Calculation steps:
[( 671 - 986 ) ÷ 986] x 100 = -31.95%
Formula
Percentage change = [(671 - 986) / 986] x 100
Subtract the new number by the original number
671 - 986 = -315
-315 ÷ 986 = -0.31947261663286003
-0.31947261663286003 x 100 = -31.95%