-7.6% is the change from 487 to 450
Calculation steps:
[( 450 - 487 ) ÷ 487] x 100 = -7.6%
Formula
Percentage change = [(450 - 487) / 487] x 100
Subtract the new number by the original number
450 - 487 = -37
-37 ÷ 487 = -0.07597535934291581
-0.07597535934291581 x 100 = -7.6%