-94.55% is the change from 770 to 42
Calculation steps:
[( 42 - 770 ) ÷ 770] x 100 = -94.55%
Formula
Percentage change = [(42 - 770) / 770] x 100
Subtract the new number by the original number
42 - 770 = -728
-728 ÷ 770 = -0.9454545454545454
-0.9454545454545454 x 100 = -94.55%