-70.25% is the change from 810 to 241
Calculation steps:
[( 241 - 810 ) ÷ 810] x 100 = -70.25%
Formula
Percentage change = [(241 - 810) / 810] x 100
Subtract the new number by the original number
241 - 810 = -569
-569 ÷ 810 = -0.7024691358024692
-0.7024691358024692 x 100 = -70.25%