-93.14% is the change from 685 to 47
Calculation steps:
[( 47 - 685 ) ÷ 685] x 100 = -93.14%
Formula
Percentage change = [(47 - 685) / 685] x 100
Subtract the new number by the original number
47 - 685 = -638
-638 ÷ 685 = -0.9313868613138686
-0.9313868613138686 x 100 = -93.14%