-1.47% is the change from 819 to 807
Calculation steps:
[( 807 - 819 ) ÷ 819] x 100 = -1.47%
Formula
Percentage change = [(807 - 819) / 819] x 100
Subtract the new number by the original number
807 - 819 = -12
-12 ÷ 819 = -0.014652014652014652
-0.014652014652014652 x 100 = -1.47%