-50% is the change from 924 to 462
Calculation steps:
[( 462 - 924 ) ÷ 924] x 100 = -50%
Formula
Percentage change = [(462 - 924) / 924] x 100
Subtract the new number by the original number
462 - 924 = -462
-462 ÷ 924 = -0.5
-0.5 x 100 = -50%
Example