-97.19% is the change from 427 to 12
Calculation steps:
[( 12 - 427 ) ÷ 427] x 100 = -97.19%
Formula
Percentage change = [(12 - 427) / 427] x 100
Subtract the new number by the original number
12 - 427 = -415
-415 ÷ 427 = -0.9718969555035128
-0.9718969555035128 x 100 = -97.19%