2053.85% is the change from 13 to 280
Calculation steps:
[( 280 - 13 ) ÷ 13] x 100 = 2053.85%
Formula
Percentage change = [(280 - 13) / 13] x 100
Subtract the new number by the original number
280 - 13 = 267
267 ÷ 13 = 20.53846153846154
20.53846153846154 x 100 = 2053.85%