-50.56% is the change from 977 to 483
Calculation steps:
[( 483 - 977 ) ÷ 977] x 100 = -50.56%
Formula
Percentage change = [(483 - 977) / 977] x 100
Subtract the new number by the original number
483 - 977 = -494
-494 ÷ 977 = -0.5056294779938587
-0.5056294779938587 x 100 = -50.56%