-51.37% is the change from 983 to 478
Calculation steps:
[( 478 - 983 ) ÷ 983] x 100 = -51.37%
Formula
Percentage change = [(478 - 983) / 983] x 100
Subtract the new number by the original number
478 - 983 = -505
-505 ÷ 983 = -0.513733468972533
-0.513733468972533 x 100 = -51.37%