-90.48% is the change from 126 to 12
Calculation steps:
[( 12 - 126 ) ÷ 126] x 100 = -90.48%
Formula
Percentage change = [(12 - 126) / 126] x 100
Subtract the new number by the original number
12 - 126 = -114
-114 ÷ 126 = -0.9047619047619048
-0.9047619047619048 x 100 = -90.48%