-1.85% is the change from 863 to 847
Calculation steps:
[( 847 - 863 ) ÷ 863] x 100 = -1.85%
Formula
Percentage change = [(847 - 863) / 863] x 100
Subtract the new number by the original number
847 - 863 = -16
-16 ÷ 863 = -0.01853997682502897
-0.01853997682502897 x 100 = -1.85%