927.5% is the change from 40 to 411
Calculation steps:
[( 411 - 40 ) ÷ 40] x 100 = 927.5%
Formula
Percentage change = [(411 - 40) / 40] x 100
Subtract the new number by the original number
411 - 40 = 371
371 ÷ 40 = 9.275
9.275 x 100 = 927.5%
Example