-23.21% is the change from 780 to 599
Calculation steps:
[( 599 - 780 ) ÷ 780] x 100 = -23.21%
Formula
Percentage change = [(599 - 780) / 780] x 100
Subtract the new number by the original number
599 - 780 = -181
-181 ÷ 780 = -0.23205128205128206
-0.23205128205128206 x 100 = -23.21%