-6.17% is the change from 891 to 836
Calculation steps:
[( 836 - 891 ) ÷ 891] x 100 = -6.17%
Formula
Percentage change = [(836 - 891) / 891] x 100
Subtract the new number by the original number
836 - 891 = -55
-55 ÷ 891 = -0.06172839506172839
-0.06172839506172839 x 100 = -6.17%