-47.4% is the change from 924 to 486
Calculation steps:
[( 486 - 924 ) ÷ 924] x 100 = -47.4%
Formula
Percentage change = [(486 - 924) / 924] x 100
Subtract the new number by the original number
486 - 924 = -438
-438 ÷ 924 = -0.474025974025974
-0.474025974025974 x 100 = -47.4%