-50% is the change from 922 to 461
Calculation steps:
[( 461 - 922 ) ÷ 922] x 100 = -50%
Formula
Percentage change = [(461 - 922) / 922] x 100
Subtract the new number by the original number
461 - 922 = -461
-461 ÷ 922 = -0.5
-0.5 x 100 = -50%
Example