-8.42% is the change from 499 to 457
Calculation steps:
[( 457 - 499 ) ÷ 499] x 100 = -8.42%
Formula
Percentage change = [(457 - 499) / 499] x 100
Subtract the new number by the original number
457 - 499 = -42
-42 ÷ 499 = -0.0841683366733467
-0.0841683366733467 x 100 = -8.42%