1230% is the change from 40 to 532
Calculation steps:
[( 532 - 40 ) ÷ 40] x 100 = 1230%
Formula
Percentage change = [(532 - 40) / 40] x 100
Subtract the new number by the original number
532 - 40 = 492
492 ÷ 40 = 12.3
12.3 x 100 = 1230%
Example