-79.55% is the change from 484 to 99
Calculation steps:
[( 99 - 484 ) ÷ 484] x 100 = -79.55%
Formula
Percentage change = [(99 - 484) / 484] x 100
Subtract the new number by the original number
99 - 484 = -385
-385 ÷ 484 = -0.7954545454545454
-0.7954545454545454 x 100 = -79.55%