-35.77% is the change from 780 to 501
Calculation steps:
[( 501 - 780 ) ÷ 780] x 100 = -35.77%
Formula
Percentage change = [(501 - 780) / 780] x 100
Subtract the new number by the original number
501 - 780 = -279
-279 ÷ 780 = -0.3576923076923077
-0.3576923076923077 x 100 = -35.77%