1360% is the change from 40 to 584
Calculation steps:
[( 584 - 40 ) ÷ 40] x 100 = 1360%
Formula
Percentage change = [(584 - 40) / 40] x 100
Subtract the new number by the original number
584 - 40 = 544
544 ÷ 40 = 13.6
13.6 x 100 = 1360%
Example