-55.42% is the change from 166 to 74
Calculation steps:
[( 74 - 166 ) ÷ 166] x 100 = -55.42%
Formula
Percentage change = [(74 - 166) / 166] x 100
Subtract the new number by the original number
74 - 166 = -92
-92 ÷ 166 = -0.5542168674698795
-0.5542168674698795 x 100 = -55.42%