-93.64% is the change from 770 to 49
Calculation steps:
[( 49 - 770 ) ÷ 770] x 100 = -93.64%
Formula
Percentage change = [(49 - 770) / 770] x 100
Subtract the new number by the original number
49 - 770 = -721
-721 ÷ 770 = -0.9363636363636364
-0.9363636363636364 x 100 = -93.64%