-6.21% is the change from 950 to 891
Calculation steps:
[( 891 - 950 ) ÷ 950] x 100 = -6.21%
Formula
Percentage change = [(891 - 950) / 950] x 100
Subtract the new number by the original number
891 - 950 = -59
-59 ÷ 950 = -0.06210526315789474
-0.06210526315789474 x 100 = -6.21%