-15.7% is the change from 981 to 827
Calculation steps:
[( 827 - 981 ) ÷ 981] x 100 = -15.7%
Formula
Percentage change = [(827 - 981) / 981] x 100
Subtract the new number by the original number
827 - 981 = -154
-154 ÷ 981 = -0.15698267074413863
-0.15698267074413863 x 100 = -15.7%