-92.21% is the change from 154 to 12
Calculation steps:
[( 12 - 154 ) ÷ 154] x 100 = -92.21%
Formula
Percentage change = [(12 - 154) / 154] x 100
Subtract the new number by the original number
12 - 154 = -142
-142 ÷ 154 = -0.922077922077922
-0.922077922077922 x 100 = -92.21%