-15.49% is the change from 981 to 829
Calculation steps:
[( 829 - 981 ) ÷ 981] x 100 = -15.49%
Formula
Percentage change = [(829 - 981) / 981] x 100
Subtract the new number by the original number
829 - 981 = -152
-152 ÷ 981 = -0.15494393476044852
-0.15494393476044852 x 100 = -15.49%