-28.22% is the change from 684 to 491
Calculation steps:
[( 491 - 684 ) ÷ 684] x 100 = -28.22%
Formula
Percentage change = [(491 - 684) / 684] x 100
Subtract the new number by the original number
491 - 684 = -193
-193 ÷ 684 = -0.2821637426900585
-0.2821637426900585 x 100 = -28.22%