-92.45% is the change from 159 to 12
Calculation steps:
[( 12 - 159 ) ÷ 159] x 100 = -92.45%
Formula
Percentage change = [(12 - 159) / 159] x 100
Subtract the new number by the original number
12 - 159 = -147
-147 ÷ 159 = -0.9245283018867925
-0.9245283018867925 x 100 = -92.45%