-20.87% is the change from 781 to 618
Calculation steps:
[( 618 - 781 ) ÷ 781] x 100 = -20.87%
Formula
Percentage change = [(618 - 781) / 781] x 100
Subtract the new number by the original number
618 - 781 = -163
-163 ÷ 781 = -0.2087067861715749
-0.2087067861715749 x 100 = -20.87%