-57.53% is the change from 777 to 330
Calculation steps:
[( 330 - 777 ) ÷ 777] x 100 = -57.53%
Formula
Percentage change = [(330 - 777) / 777] x 100
Subtract the new number by the original number
330 - 777 = -447
-447 ÷ 777 = -0.5752895752895753
-0.5752895752895753 x 100 = -57.53%