-50.46% is the change from 983 to 487
Calculation steps:
[( 487 - 983 ) ÷ 983] x 100 = -50.46%
Formula
Percentage change = [(487 - 983) / 983] x 100
Subtract the new number by the original number
487 - 983 = -496
-496 ÷ 983 = -0.5045778229908443
-0.5045778229908443 x 100 = -50.46%