-96.44% is the change from 337 to 12
Calculation steps:
[( 12 - 337 ) ÷ 337] x 100 = -96.44%
Formula
Percentage change = [(12 - 337) / 337] x 100
Subtract the new number by the original number
12 - 337 = -325
-325 ÷ 337 = -0.9643916913946587
-0.9643916913946587 x 100 = -96.44%