-37.82% is the change from 989 to 615
Calculation steps:
[( 615 - 989 ) ÷ 989] x 100 = -37.82%
Formula
Percentage change = [(615 - 989) / 989] x 100
Subtract the new number by the original number
615 - 989 = -374
-374 ÷ 989 = -0.378159757330637
-0.378159757330637 x 100 = -37.82%