-5.13% is the change from 780 to 740
Calculation steps:
[( 740 - 780 ) ÷ 780] x 100 = -5.13%
Formula
Percentage change = [(740 - 780) / 780] x 100
Subtract the new number by the original number
740 - 780 = -40
-40 ÷ 780 = -0.05128205128205128
-0.05128205128205128 x 100 = -5.13%