-15.47% is the change from 989 to 836
Calculation steps:
[( 836 - 989 ) ÷ 989] x 100 = -15.47%
Formula
Percentage change = [(836 - 989) / 989] x 100
Subtract the new number by the original number
836 - 989 = -153
-153 ÷ 989 = -0.15470171890798787
-0.15470171890798787 x 100 = -15.47%