-49.85% is the change from 973 to 488
Calculation steps:
[( 488 - 973 ) ÷ 973] x 100 = -49.85%
Formula
Percentage change = [(488 - 973) / 973] x 100
Subtract the new number by the original number
488 - 973 = -485
-485 ÷ 973 = -0.4984583761562179
-0.4984583761562179 x 100 = -49.85%