317.86% is the change from 84 to 351
Calculation steps:
[( 351 - 84 ) ÷ 84] x 100 = 317.86%
Formula
Percentage change = [(351 - 84) / 84] x 100
Subtract the new number by the original number
351 - 84 = 267
267 ÷ 84 = 3.1785714285714284
3.1785714285714284 x 100 = 317.86%