-15.3% is the change from 778 to 659
Calculation steps:
[( 659 - 778 ) ÷ 778] x 100 = -15.3%
Formula
Percentage change = [(659 - 778) / 778] x 100
Subtract the new number by the original number
659 - 778 = -119
-119 ÷ 778 = -0.15295629820051415
-0.15295629820051415 x 100 = -15.3%