-8.3% is the change from 506 to 464
Calculation steps:
[( 464 - 506 ) ÷ 506] x 100 = -8.3%
Formula
Percentage change = [(464 - 506) / 506] x 100
Subtract the new number by the original number
464 - 506 = -42
-42 ÷ 506 = -0.08300395256916997
-0.08300395256916997 x 100 = -8.3%