-26.72% is the change from 685 to 502
Calculation steps:
[( 502 - 685 ) ÷ 685] x 100 = -26.72%
Formula
Percentage change = [(502 - 685) / 685] x 100
Subtract the new number by the original number
502 - 685 = -183
-183 ÷ 685 = -0.2671532846715328
-0.2671532846715328 x 100 = -26.72%