-58.71% is the change from 775 to 320
Calculation steps:
[( 320 - 775 ) ÷ 775] x 100 = -58.71%
Formula
Percentage change = [(320 - 775) / 775] x 100
Subtract the new number by the original number
320 - 775 = -455
-455 ÷ 775 = -0.5870967741935483
-0.5870967741935483 x 100 = -58.71%