-45.85% is the change from 844 to 457
Calculation steps:
[( 457 - 844 ) ÷ 844] x 100 = -45.85%
Formula
Percentage change = [(457 - 844) / 844] x 100
Subtract the new number by the original number
457 - 844 = -387
-387 ÷ 844 = -0.4585308056872038
-0.4585308056872038 x 100 = -45.85%