-58.87% is the change from 778 to 320
Calculation steps:
[( 320 - 778 ) ÷ 778] x 100 = -58.87%
Formula
Percentage change = [(320 - 778) / 778] x 100
Subtract the new number by the original number
320 - 778 = -458
-458 ÷ 778 = -0.5886889460154242
-0.5886889460154242 x 100 = -58.87%