-59.4% is the change from 771 to 313
Calculation steps:
[( 313 - 771 ) ÷ 771] x 100 = -59.4%
Formula
Percentage change = [(313 - 771) / 771] x 100
Subtract the new number by the original number
313 - 771 = -458
-458 ÷ 771 = -0.5940337224383917
-0.5940337224383917 x 100 = -59.4%