-92.26% is the change from 155 to 12
Calculation steps:
[( 12 - 155 ) ÷ 155] x 100 = -92.26%
Formula
Percentage change = [(12 - 155) / 155] x 100
Subtract the new number by the original number
12 - 155 = -143
-143 ÷ 155 = -0.9225806451612903
-0.9225806451612903 x 100 = -92.26%