-13.49% is the change from 771 to 667
Calculation steps:
[( 667 - 771 ) ÷ 771] x 100 = -13.49%
Formula
Percentage change = [(667 - 771) / 771] x 100
Subtract the new number by the original number
667 - 771 = -104
-104 ÷ 771 = -0.13488975356679636
-0.13488975356679636 x 100 = -13.49%