435% is the change from 40 to 214
Calculation steps:
[( 214 - 40 ) ÷ 40] x 100 = 435%
Formula
Percentage change = [(214 - 40) / 40] x 100
Subtract the new number by the original number
214 - 40 = 174
174 ÷ 40 = 4.35
4.35 x 100 = 435%
Example