1035% is the change from 40 to 454
Calculation steps:
[( 454 - 40 ) ÷ 40] x 100 = 1035%
Formula
Percentage change = [(454 - 40) / 40] x 100
Subtract the new number by the original number
454 - 40 = 414
414 ÷ 40 = 10.35
10.35 x 100 = 1035%
Example