-49.95% is the change from 923 to 462
Calculation steps:
[( 462 - 923 ) ÷ 923] x 100 = -49.95%
Formula
Percentage change = [(462 - 923) / 923] x 100
Subtract the new number by the original number
462 - 923 = -461
-461 ÷ 923 = -0.49945828819068255
-0.49945828819068255 x 100 = -49.95%