-83.83% is the change from 674 to 109
Calculation steps:
[( 109 - 674 ) ÷ 674] x 100 = -83.83%
Formula
Percentage change = [(109 - 674) / 674] x 100
Subtract the new number by the original number
109 - 674 = -565
-565 ÷ 674 = -0.8382789317507419
-0.8382789317507419 x 100 = -83.83%