-28.83% is the change from 770 to 548
Calculation steps:
[( 548 - 770 ) ÷ 770] x 100 = -28.83%
Formula
Percentage change = [(548 - 770) / 770] x 100
Subtract the new number by the original number
548 - 770 = -222
-222 ÷ 770 = -0.2883116883116883
-0.2883116883116883 x 100 = -28.83%