-11.37% is the change from 959 to 850
Calculation steps:
[( 850 - 959 ) ÷ 959] x 100 = -11.37%
Formula
Percentage change = [(850 - 959) / 959] x 100
Subtract the new number by the original number
850 - 959 = -109
-109 ÷ 959 = -0.11366006256517205
-0.11366006256517205 x 100 = -11.37%