-51.25% is the change from 240 to 117
Calculation steps:
[( 117 - 240 ) ÷ 240] x 100 = -51.25%
Formula
Percentage change = [(117 - 240) / 240] x 100
Subtract the new number by the original number
117 - 240 = -123
-123 ÷ 240 = -0.5125
-0.5125 x 100 = -51.25%