2510% is the change from 10 to 261
Calculation steps:
[( 261 - 10 ) ÷ 10] x 100 = 2510%
Formula
Percentage change = [(261 - 10) / 10] x 100
Subtract the new number by the original number
261 - 10 = 251
251 ÷ 10 = 25.1
25.1 x 100 = 2510%
Example