-43.79% is the change from 813 to 457
Calculation steps:
[( 457 - 813 ) ÷ 813] x 100 = -43.79%
Formula
Percentage change = [(457 - 813) / 813] x 100
Subtract the new number by the original number
457 - 813 = -356
-356 ÷ 813 = -0.43788437884378845
-0.43788437884378845 x 100 = -43.79%