-14.05% is the change from 989 to 850
Calculation steps:
[( 850 - 989 ) ÷ 989] x 100 = -14.05%
Formula
Percentage change = [(850 - 989) / 989] x 100
Subtract the new number by the original number
850 - 989 = -139
-139 ÷ 989 = -0.14054600606673406
-0.14054600606673406 x 100 = -14.05%