-32.43% is the change from 148 to 100
Calculation steps:
[( 100 - 148 ) ÷ 148] x 100 = -32.43%
Formula
Percentage change = [(100 - 148) / 148] x 100
Subtract the new number by the original number
100 - 148 = -48
-48 ÷ 148 = -0.32432432432432434
-0.32432432432432434 x 100 = -32.43%