-59.14% is the change from 771 to 315
Calculation steps:
[( 315 - 771 ) ÷ 771] x 100 = -59.14%
Formula
Percentage change = [(315 - 771) / 771] x 100
Subtract the new number by the original number
315 - 771 = -456
-456 ÷ 771 = -0.5914396887159533
-0.5914396887159533 x 100 = -59.14%