-94.87% is the change from 78 to 4
Calculation steps:
[( 4 - 78 ) ÷ 78] x 100 = -94.87%
Formula
Percentage change = [(4 - 78) / 78] x 100
Subtract the new number by the original number
4 - 78 = -74
-74 ÷ 78 = -0.9487179487179487
-0.9487179487179487 x 100 = -94.87%