-68.87% is the change from 771 to 240
Calculation steps:
[( 240 - 771 ) ÷ 771] x 100 = -68.87%
Formula
Percentage change = [(240 - 771) / 771] x 100
Subtract the new number by the original number
240 - 771 = -531
-531 ÷ 771 = -0.688715953307393
-0.688715953307393 x 100 = -68.87%