-6.9% is the change from 899 to 837
Calculation steps:
[( 837 - 899 ) ÷ 899] x 100 = -6.9%
Formula
Percentage change = [(837 - 899) / 899] x 100
Subtract the new number by the original number
837 - 899 = -62
-62 ÷ 899 = -0.06896551724137931
-0.06896551724137931 x 100 = -6.9%