-48.73% is the change from 985 to 505
Calculation steps:
[( 505 - 985 ) ÷ 985] x 100 = -48.73%
Formula
Percentage change = [(505 - 985) / 985] x 100
Subtract the new number by the original number
505 - 985 = -480
-480 ÷ 985 = -0.4873096446700508
-0.4873096446700508 x 100 = -48.73%