-15.44% is the change from 790 to 668
Calculation steps:
[( 668 - 790 ) ÷ 790] x 100 = -15.44%
Formula
Percentage change = [(668 - 790) / 790] x 100
Subtract the new number by the original number
668 - 790 = -122
-122 ÷ 790 = -0.15443037974683543
-0.15443037974683543 x 100 = -15.44%