1275% is the change from 20 to 275
Calculation steps:
[( 275 - 20 ) ÷ 20] x 100 = 1275%
Formula
Percentage change = [(275 - 20) / 20] x 100
Subtract the new number by the original number
275 - 20 = 255
255 ÷ 20 = 12.75
12.75 x 100 = 1275%
Example