-38.46% is the change from 780 to 480
Calculation steps:
[( 480 - 780 ) ÷ 780] x 100 = -38.46%
Formula
Percentage change = [(480 - 780) / 780] x 100
Subtract the new number by the original number
480 - 780 = -300
-300 ÷ 780 = -0.38461538461538464
-0.38461538461538464 x 100 = -38.46%