-1.3% is the change from 847 to 836
Calculation steps:
[( 836 - 847 ) ÷ 847] x 100 = -1.3%
Formula
Percentage change = [(836 - 847) / 847] x 100
Subtract the new number by the original number
836 - 847 = -11
-11 ÷ 847 = -0.012987012987012988
-0.012987012987012988 x 100 = -1.3%