-49.13% is the change from 973 to 495
Calculation steps:
[( 495 - 973 ) ÷ 973] x 100 = -49.13%
Formula
Percentage change = [(495 - 973) / 973] x 100
Subtract the new number by the original number
495 - 973 = -478
-478 ÷ 973 = -0.49126413155190135
-0.49126413155190135 x 100 = -49.13%