-30.51% is the change from 685 to 476
Calculation steps:
[( 476 - 685 ) ÷ 685] x 100 = -30.51%
Formula
Percentage change = [(476 - 685) / 685] x 100
Subtract the new number by the original number
476 - 685 = -209
-209 ÷ 685 = -0.3051094890510949
-0.3051094890510949 x 100 = -30.51%