-69.1% is the change from 780 to 241
Calculation steps:
[( 241 - 780 ) ÷ 780] x 100 = -69.1%
Formula
Percentage change = [(241 - 780) / 780] x 100
Subtract the new number by the original number
241 - 780 = -539
-539 ÷ 780 = -0.691025641025641
-0.691025641025641 x 100 = -69.1%