-18.8% is the change from 484 to 393
Calculation steps:
[( 393 - 484 ) ÷ 484] x 100 = -18.8%
Formula
Percentage change = [(393 - 484) / 484] x 100
Subtract the new number by the original number
393 - 484 = -91
-91 ÷ 484 = -0.18801652892561985
-0.18801652892561985 x 100 = -18.8%