552.5% is the change from 40 to 261
Calculation steps:
[( 261 - 40 ) ÷ 40] x 100 = 552.5%
Formula
Percentage change = [(261 - 40) / 40] x 100
Subtract the new number by the original number
261 - 40 = 221
221 ÷ 40 = 5.525
5.525 x 100 = 552.5%
Example