-74.36% is the change from 780 to 200
Calculation steps:
[( 200 - 780 ) ÷ 780] x 100 = -74.36%
Formula
Percentage change = [(200 - 780) / 780] x 100
Subtract the new number by the original number
200 - 780 = -580
-580 ÷ 780 = -0.7435897435897436
-0.7435897435897436 x 100 = -74.36%