2138.46% is the change from 13 to 291
Calculation steps:
[( 291 - 13 ) ÷ 13] x 100 = 2138.46%
Formula
Percentage change = [(291 - 13) / 13] x 100
Subtract the new number by the original number
291 - 13 = 278
278 ÷ 13 = 21.384615384615383
21.384615384615383 x 100 = 2138.46%