-10.27% is the change from 487 to 437
Calculation steps:
[( 437 - 487 ) ÷ 487] x 100 = -10.27%
Formula
Percentage change = [(437 - 487) / 487] x 100
Subtract the new number by the original number
437 - 487 = -50
-50 ÷ 487 = -0.1026694045174538
-0.1026694045174538 x 100 = -10.27%