-85.04% is the change from 488 to 73
Calculation steps:
[( 73 - 488 ) ÷ 488] x 100 = -85.04%
Formula
Percentage change = [(73 - 488) / 488] x 100
Subtract the new number by the original number
73 - 488 = -415
-415 ÷ 488 = -0.8504098360655737
-0.8504098360655737 x 100 = -85.04%