-7.79% is the change from 989 to 912
Calculation steps:
[( 912 - 989 ) ÷ 989] x 100 = -7.79%
Formula
Percentage change = [(912 - 989) / 989] x 100
Subtract the new number by the original number
912 - 989 = -77
-77 ÷ 989 = -0.07785642062689585
-0.07785642062689585 x 100 = -7.79%