-96.42% is the change from 335 to 12
Calculation steps:
[( 12 - 335 ) ÷ 335] x 100 = -96.42%
Formula
Percentage change = [(12 - 335) / 335] x 100
Subtract the new number by the original number
12 - 335 = -323
-323 ÷ 335 = -0.9641791044776119
-0.9641791044776119 x 100 = -96.42%