-15.64% is the change from 959 to 809
Calculation steps:
[( 809 - 959 ) ÷ 959] x 100 = -15.64%
Formula
Percentage change = [(809 - 959) / 959] x 100
Subtract the new number by the original number
809 - 959 = -150
-150 ÷ 959 = -0.15641293013555788
-0.15641293013555788 x 100 = -15.64%