-90.63% is the change from 779 to 73
Calculation steps:
[( 73 - 779 ) ÷ 779] x 100 = -90.63%
Formula
Percentage change = [(73 - 779) / 779] x 100
Subtract the new number by the original number
73 - 779 = -706
-706 ÷ 779 = -0.9062901155327343
-0.9062901155327343 x 100 = -90.63%