-57.14% is the change from 665 to 285
Calculation steps:
[( 285 - 665 ) ÷ 665] x 100 = -57.14%
Formula
Percentage change = [(285 - 665) / 665] x 100
Subtract the new number by the original number
285 - 665 = -380
-380 ÷ 665 = -0.5714285714285714
-0.5714285714285714 x 100 = -57.14%