-16.18% is the change from 989 to 829
Calculation steps:
[( 829 - 989 ) ÷ 989] x 100 = -16.18%
Formula
Percentage change = [(829 - 989) / 989] x 100
Subtract the new number by the original number
829 - 989 = -160
-160 ÷ 989 = -0.16177957532861476
-0.16177957532861476 x 100 = -16.18%