-60.67% is the change from 778 to 306
Calculation steps:
[( 306 - 778 ) ÷ 778] x 100 = -60.67%
Formula
Percentage change = [(306 - 778) / 778] x 100
Subtract the new number by the original number
306 - 778 = -472
-472 ÷ 778 = -0.6066838046272494
-0.6066838046272494 x 100 = -60.67%