-90.85% is the change from 503 to 46
Calculation steps:
[( 46 - 503 ) ÷ 503] x 100 = -90.85%
Formula
Percentage change = [(46 - 503) / 503] x 100
Subtract the new number by the original number
46 - 503 = -457
-457 ÷ 503 = -0.9085487077534792
-0.9085487077534792 x 100 = -90.85%