-12.06% is the change from 771 to 678
Calculation steps:
[( 678 - 771 ) ÷ 771] x 100 = -12.06%
Formula
Percentage change = [(678 - 771) / 771] x 100
Subtract the new number by the original number
678 - 771 = -93
-93 ÷ 771 = -0.12062256809338522
-0.12062256809338522 x 100 = -12.06%