-17.7% is the change from 819 to 674
Calculation steps:
[( 674 - 819 ) ÷ 819] x 100 = -17.7%
Formula
Percentage change = [(674 - 819) / 819] x 100
Subtract the new number by the original number
674 - 819 = -145
-145 ÷ 819 = -0.17704517704517705
-0.17704517704517705 x 100 = -17.7%