-27.5% is the change from 240 to 174
Calculation steps:
[( 174 - 240 ) ÷ 240] x 100 = -27.5%
Formula
Percentage change = [(174 - 240) / 240] x 100
Subtract the new number by the original number
174 - 240 = -66
-66 ÷ 240 = -0.275
-0.275 x 100 = -27.5%