-80.12% is the change from 488 to 97
Calculation steps:
[( 97 - 488 ) ÷ 488] x 100 = -80.12%
Formula
Percentage change = [(97 - 488) / 488] x 100
Subtract the new number by the original number
97 - 488 = -391
-391 ÷ 488 = -0.8012295081967213
-0.8012295081967213 x 100 = -80.12%