-96.04% is the change from 303 to 12
Calculation steps:
[( 12 - 303 ) ÷ 303] x 100 = -96.04%
Formula
Percentage change = [(12 - 303) / 303] x 100
Subtract the new number by the original number
12 - 303 = -291
-291 ÷ 303 = -0.9603960396039604
-0.9603960396039604 x 100 = -96.04%