-44% is the change from 816 to 457
Calculation steps:
[( 457 - 816 ) ÷ 816] x 100 = -44%
Formula
Percentage change = [(457 - 816) / 816] x 100
Subtract the new number by the original number
457 - 816 = -359
-359 ÷ 816 = -0.43995098039215685
-0.43995098039215685 x 100 = -44%