-93.9% is the change from 770 to 47
Calculation steps:
[( 47 - 770 ) ÷ 770] x 100 = -93.9%
Formula
Percentage change = [(47 - 770) / 770] x 100
Subtract the new number by the original number
47 - 770 = -723
-723 ÷ 770 = -0.938961038961039
-0.938961038961039 x 100 = -93.9%