-84.8% is the change from 487 to 74
Calculation steps:
[( 74 - 487 ) ÷ 487] x 100 = -84.8%
Formula
Percentage change = [(74 - 487) / 487] x 100
Subtract the new number by the original number
74 - 487 = -413
-413 ÷ 487 = -0.8480492813141683
-0.8480492813141683 x 100 = -84.8%