535% is the change from 40 to 254
Calculation steps:
[( 254 - 40 ) ÷ 40] x 100 = 535%
Formula
Percentage change = [(254 - 40) / 40] x 100
Subtract the new number by the original number
254 - 40 = 214
214 ÷ 40 = 5.35
5.35 x 100 = 535%
Example