-97.49% is the change from 479 to 12
Calculation steps:
[( 12 - 479 ) ÷ 479] x 100 = -97.49%
Formula
Percentage change = [(12 - 479) / 479] x 100
Subtract the new number by the original number
12 - 479 = -467
-467 ÷ 479 = -0.9749478079331941
-0.9749478079331941 x 100 = -97.49%