-13.7% is the change from 774 to 668
Calculation steps:
[( 668 - 774 ) ÷ 774] x 100 = -13.7%
Formula
Percentage change = [(668 - 774) / 774] x 100
Subtract the new number by the original number
668 - 774 = -106
-106 ÷ 774 = -0.13695090439276486
-0.13695090439276486 x 100 = -13.7%