-13.35% is the change from 981 to 850
Calculation steps:
[( 850 - 981 ) ÷ 981] x 100 = -13.35%
Formula
Percentage change = [(850 - 981) / 981] x 100
Subtract the new number by the original number
850 - 981 = -131
-131 ÷ 981 = -0.13353720693170235
-0.13353720693170235 x 100 = -13.35%