-32.63% is the change from 996 to 671
Calculation steps:
[( 671 - 996 ) ÷ 996] x 100 = -32.63%
Formula
Percentage change = [(671 - 996) / 996] x 100
Subtract the new number by the original number
671 - 996 = -325
-325 ÷ 996 = -0.32630522088353414
-0.32630522088353414 x 100 = -32.63%