-7.39% is the change from 487 to 451
Calculation steps:
[( 451 - 487 ) ÷ 487] x 100 = -7.39%
Formula
Percentage change = [(451 - 487) / 487] x 100
Subtract the new number by the original number
451 - 487 = -36
-36 ÷ 487 = -0.07392197125256673
-0.07392197125256673 x 100 = -7.39%