-39.24% is the change from 79 to 48
Calculation steps:
[( 48 - 79 ) ÷ 79] x 100 = -39.24%
Formula
Percentage change = [(48 - 79) / 79] x 100
Subtract the new number by the original number
48 - 79 = -31
-31 ÷ 79 = -0.3924050632911392
-0.3924050632911392 x 100 = -39.24%