-94% is the change from 700 to 42
Calculation steps:
[( 42 - 700 ) ÷ 700] x 100 = -94%
Formula
Percentage change = [(42 - 700) / 700] x 100
Subtract the new number by the original number
42 - 700 = -658
-658 ÷ 700 = -0.94
-0.94 x 100 = -94%
Example