-57.01% is the change from 663 to 285
Calculation steps:
[( 285 - 663 ) ÷ 663] x 100 = -57.01%
Formula
Percentage change = [(285 - 663) / 663] x 100
Subtract the new number by the original number
285 - 663 = -378
-378 ÷ 663 = -0.5701357466063348
-0.5701357466063348 x 100 = -57.01%