-32.02% is the change from 987 to 671
Calculation steps:
[( 671 - 987 ) ÷ 987] x 100 = -32.02%
Formula
Percentage change = [(671 - 987) / 987] x 100
Subtract the new number by the original number
671 - 987 = -316
-316 ÷ 987 = -0.32016210739615
-0.32016210739615 x 100 = -32.02%