230.86% is the change from 81 to 268
Calculation steps:
[( 268 - 81 ) ÷ 81] x 100 = 230.86%
Formula
Percentage change = [(268 - 81) / 81] x 100
Subtract the new number by the original number
268 - 81 = 187
187 ÷ 81 = 2.308641975308642
2.308641975308642 x 100 = 230.86%