-84.22% is the change from 488 to 77
Calculation steps:
[( 77 - 488 ) ÷ 488] x 100 = -84.22%
Formula
Percentage change = [(77 - 488) / 488] x 100
Subtract the new number by the original number
77 - 488 = -411
-411 ÷ 488 = -0.8422131147540983
-0.8422131147540983 x 100 = -84.22%