-51.55% is the change from 997 to 483
Calculation steps:
[( 483 - 997 ) ÷ 997] x 100 = -51.55%
Formula
Percentage change = [(483 - 997) / 997] x 100
Subtract the new number by the original number
483 - 997 = -514
-514 ÷ 997 = -0.5155466399197592
-0.5155466399197592 x 100 = -51.55%