-37.53% is the change from 778 to 486
Calculation steps:
[( 486 - 778 ) ÷ 778] x 100 = -37.53%
Formula
Percentage change = [(486 - 778) / 778] x 100
Subtract the new number by the original number
486 - 778 = -292
-292 ÷ 778 = -0.37532133676092544
-0.37532133676092544 x 100 = -37.53%