-91.89% is the change from 148 to 12
Calculation steps:
[( 12 - 148 ) ÷ 148] x 100 = -91.89%
Formula
Percentage change = [(12 - 148) / 148] x 100
Subtract the new number by the original number
12 - 148 = -136
-136 ÷ 148 = -0.918918918918919
-0.918918918918919 x 100 = -91.89%