-40.51% is the change from 79 to 47
Calculation steps:
[( 47 - 79 ) ÷ 79] x 100 = -40.51%
Formula
Percentage change = [(47 - 79) / 79] x 100
Subtract the new number by the original number
47 - 79 = -32
-32 ÷ 79 = -0.4050632911392405
-0.4050632911392405 x 100 = -40.51%