-28.81% is the change from 59 to 42
Calculation steps:
[( 42 - 59 ) ÷ 59] x 100 = -28.81%
Formula
Percentage change = [(42 - 59) / 59] x 100
Subtract the new number by the original number
42 - 59 = -17
-17 ÷ 59 = -0.288135593220339
-0.288135593220339 x 100 = -28.81%