-89.32% is the change from 740 to 79
Calculation steps:
[( 79 - 740 ) ÷ 740] x 100 = -89.32%
Formula
Percentage change = [(79 - 740) / 740] x 100
Subtract the new number by the original number
79 - 740 = -661
-661 ÷ 740 = -0.8932432432432432
-0.8932432432432432 x 100 = -89.32%