-51.3% is the change from 154 to 75
Calculation steps:
[( 75 - 154 ) ÷ 154] x 100 = -51.3%
Formula
Percentage change = [(75 - 154) / 154] x 100
Subtract the new number by the original number
75 - 154 = -79
-79 ÷ 154 = -0.512987012987013
-0.512987012987013 x 100 = -51.3%