-35.48% is the change from 778 to 502
Calculation steps:
[( 502 - 778 ) ÷ 778] x 100 = -35.48%
Formula
Percentage change = [(502 - 778) / 778] x 100
Subtract the new number by the original number
502 - 778 = -276
-276 ÷ 778 = -0.35475578406169667
-0.35475578406169667 x 100 = -35.48%