2600% is the change from 10 to 270
Calculation steps:
[( 270 - 10 ) ÷ 10] x 100 = 2600%
Formula
Percentage change = [(270 - 10) / 10] x 100
Subtract the new number by the original number
270 - 10 = 260
260 ÷ 10 = 26
26 x 100 = 2600%
Example