340.7% is the change from 86 to 379
Calculation steps:
[( 379 - 86 ) ÷ 86] x 100 = 340.7%
Formula
Percentage change = [(379 - 86) / 86] x 100
Subtract the new number by the original number
379 - 86 = 293
293 ÷ 86 = 3.4069767441860463
3.4069767441860463 x 100 = 340.7%