-97.1% is the change from 414 to 12
Calculation steps:
[( 12 - 414 ) ÷ 414] x 100 = -97.1%
Formula
Percentage change = [(12 - 414) / 414] x 100
Subtract the new number by the original number
12 - 414 = -402
-402 ÷ 414 = -0.9710144927536232
-0.9710144927536232 x 100 = -97.1%