-95.57% is the change from 271 to 12
Calculation steps:
[( 12 - 271 ) ÷ 271] x 100 = -95.57%
Formula
Percentage change = [(12 - 271) / 271] x 100
Subtract the new number by the original number
12 - 271 = -259
-259 ÷ 271 = -0.955719557195572
-0.955719557195572 x 100 = -95.57%