2810% is the change from 10 to 291
Calculation steps:
[( 291 - 10 ) ÷ 10] x 100 = 2810%
Formula
Percentage change = [(291 - 10) / 10] x 100
Subtract the new number by the original number
291 - 10 = 281
281 ÷ 10 = 28.1
28.1 x 100 = 2810%
Example