390.48% is the change from 42 to 206
Calculation steps:
[( 206 - 42 ) ÷ 42] x 100 = 390.48%
Formula
Percentage change = [(206 - 42) / 42] x 100
Subtract the new number by the original number
206 - 42 = 164
164 ÷ 42 = 3.9047619047619047
3.9047619047619047 x 100 = 390.48%