1050% is the change from 40 to 460
Calculation steps:
[( 460 - 40 ) ÷ 40] x 100 = 1050%
Formula
Percentage change = [(460 - 40) / 40] x 100
Subtract the new number by the original number
460 - 40 = 420
420 ÷ 40 = 10.5
10.5 x 100 = 1050%
Example