-96.06% is the change from 685 to 27
Calculation steps:
[( 27 - 685 ) ÷ 685] x 100 = -96.06%
Formula
Percentage change = [(27 - 685) / 685] x 100
Subtract the new number by the original number
27 - 685 = -658
-658 ÷ 685 = -0.9605839416058394
-0.9605839416058394 x 100 = -96.06%