409.52% is the change from 42 to 214
Calculation steps:
[( 214 - 42 ) ÷ 42] x 100 = 409.52%
Formula
Percentage change = [(214 - 42) / 42] x 100
Subtract the new number by the original number
214 - 42 = 172
172 ÷ 42 = 4.095238095238095
4.095238095238095 x 100 = 409.52%