-16.99% is the change from 818 to 679
Calculation steps:
[( 679 - 818 ) ÷ 818] x 100 = -16.99%
Formula
Percentage change = [(679 - 818) / 818] x 100
Subtract the new number by the original number
679 - 818 = -139
-139 ÷ 818 = -0.16992665036674817
-0.16992665036674817 x 100 = -16.99%