1215% is the change from 20 to 263
Calculation steps:
[( 263 - 20 ) ÷ 20] x 100 = 1215%
Formula
Percentage change = [(263 - 20) / 20] x 100
Subtract the new number by the original number
263 - 20 = 243
243 ÷ 20 = 12.15
12.15 x 100 = 1215%
Example