-38.46% is the change from 78 to 48
Calculation steps:
[( 48 - 78 ) ÷ 78] x 100 = -38.46%
Formula
Percentage change = [(48 - 78) / 78] x 100
Subtract the new number by the original number
48 - 78 = -30
-30 ÷ 78 = -0.38461538461538464
-0.38461538461538464 x 100 = -38.46%