272.53% is the change from 91 to 339
Calculation steps:
[( 339 - 91 ) ÷ 91] x 100 = 272.53%
Formula
Percentage change = [(339 - 91) / 91] x 100
Subtract the new number by the original number
339 - 91 = 248
248 ÷ 91 = 2.7252747252747254
2.7252747252747254 x 100 = 272.53%