-8.5% is the change from 494 to 452
Calculation steps:
[( 452 - 494 ) ÷ 494] x 100 = -8.5%
Formula
Percentage change = [(452 - 494) / 494] x 100
Subtract the new number by the original number
452 - 494 = -42
-42 ÷ 494 = -0.08502024291497975
-0.08502024291497975 x 100 = -8.5%