-1.67% is the change from 837 to 823
Calculation steps:
[( 823 - 837 ) ÷ 837] x 100 = -1.67%
Formula
Percentage change = [(823 - 837) / 837] x 100
Subtract the new number by the original number
823 - 837 = -14
-14 ÷ 837 = -0.016726403823178016
-0.016726403823178016 x 100 = -1.67%