2150% is the change from 10 to 225
Calculation steps:
[( 225 - 10 ) ÷ 10] x 100 = 2150%
Formula
Percentage change = [(225 - 10) / 10] x 100
Subtract the new number by the original number
225 - 10 = 215
215 ÷ 10 = 21.5
21.5 x 100 = 2150%
Example