-8.65% is the change from 497 to 454
Calculation steps:
[( 454 - 497 ) ÷ 497] x 100 = -8.65%
Formula
Percentage change = [(454 - 497) / 497] x 100
Subtract the new number by the original number
454 - 497 = -43
-43 ÷ 497 = -0.08651911468812877
-0.08651911468812877 x 100 = -8.65%