-15.01% is the change from 786 to 668
Calculation steps:
[( 668 - 786 ) ÷ 786] x 100 = -15.01%
Formula
Percentage change = [(668 - 786) / 786] x 100
Subtract the new number by the original number
668 - 786 = -118
-118 ÷ 786 = -0.15012722646310434
-0.15012722646310434 x 100 = -15.01%