-27.1% is the change from 487 to 355
Calculation steps:
[( 355 - 487 ) ÷ 487] x 100 = -27.1%
Formula
Percentage change = [(355 - 487) / 487] x 100
Subtract the new number by the original number
355 - 487 = -132
-132 ÷ 487 = -0.27104722792607805
-0.27104722792607805 x 100 = -27.1%