-15.9% is the change from 981 to 825
Calculation steps:
[( 825 - 981 ) ÷ 981] x 100 = -15.9%
Formula
Percentage change = [(825 - 981) / 981] x 100
Subtract the new number by the original number
825 - 981 = -156
-156 ÷ 981 = -0.15902140672782875
-0.15902140672782875 x 100 = -15.9%