61.9% is the change from 42 to 68
Calculation steps:
[( 68 - 42 ) ÷ 42] x 100 = 61.9%
Formula
Percentage change = [(68 - 42) / 42] x 100
Subtract the new number by the original number
68 - 42 = 26
26 ÷ 42 = 0.6190476190476191
0.6190476190476191 x 100 = 61.9%