-28.95% is the change from 684 to 486
Calculation steps:
[( 486 - 684 ) ÷ 684] x 100 = -28.95%
Formula
Percentage change = [(486 - 684) / 684] x 100
Subtract the new number by the original number
486 - 684 = -198
-198 ÷ 684 = -0.2894736842105263
-0.2894736842105263 x 100 = -28.95%