-96.9% is the change from 484 to 15
Calculation steps:
[( 15 - 484 ) ÷ 484] x 100 = -96.9%
Formula
Percentage change = [(15 - 484) / 484] x 100
Subtract the new number by the original number
15 - 484 = -469
-469 ÷ 484 = -0.96900826446281
-0.96900826446281 x 100 = -96.9%