1280% is the change from 40 to 552
Calculation steps:
[( 552 - 40 ) ÷ 40] x 100 = 1280%
Formula
Percentage change = [(552 - 40) / 40] x 100
Subtract the new number by the original number
552 - 40 = 512
512 ÷ 40 = 12.8
12.8 x 100 = 1280%
Example