162.5% is the change from 16 to 42
Calculation steps:
[( 42 - 16 ) ÷ 16] x 100 = 162.5%
Formula
Percentage change = [(42 - 16) / 16] x 100
Subtract the new number by the original number
42 - 16 = 26
26 ÷ 16 = 1.625
1.625 x 100 = 162.5%
Example