-35.6% is the change from 781 to 503
Calculation steps:
[( 503 - 781 ) ÷ 781] x 100 = -35.6%
Formula
Percentage change = [(503 - 781) / 781] x 100
Subtract the new number by the original number
503 - 781 = -278
-278 ÷ 781 = -0.3559539052496799
-0.3559539052496799 x 100 = -35.6%