-26.61% is the change from 684 to 502
Calculation steps:
[( 502 - 684 ) ÷ 684] x 100 = -26.61%
Formula
Percentage change = [(502 - 684) / 684] x 100
Subtract the new number by the original number
502 - 684 = -182
-182 ÷ 684 = -0.26608187134502925
-0.26608187134502925 x 100 = -26.61%