-76.25% is the change from 240 to 57
Calculation steps:
[( 57 - 240 ) ÷ 240] x 100 = -76.25%
Formula
Percentage change = [(57 - 240) / 240] x 100
Subtract the new number by the original number
57 - 240 = -183
-183 ÷ 240 = -0.7625
-0.7625 x 100 = -76.25%