1315% is the change from 40 to 566
Calculation steps:
[( 566 - 40 ) ÷ 40] x 100 = 1315%
Formula
Percentage change = [(566 - 40) / 40] x 100
Subtract the new number by the original number
566 - 40 = 526
526 ÷ 40 = 13.15
13.15 x 100 = 1315%
Example