-68.21% is the change from 777 to 247
Calculation steps:
[( 247 - 777 ) ÷ 777] x 100 = -68.21%
Formula
Percentage change = [(247 - 777) / 777] x 100
Subtract the new number by the original number
247 - 777 = -530
-530 ÷ 777 = -0.6821106821106822
-0.6821106821106822 x 100 = -68.21%