-30.38% is the change from 79 to 55
Calculation steps:
[( 55 - 79 ) ÷ 79] x 100 = -30.38%
Formula
Percentage change = [(55 - 79) / 79] x 100
Subtract the new number by the original number
55 - 79 = -24
-24 ÷ 79 = -0.3037974683544304
-0.3037974683544304 x 100 = -30.38%