180.39% is the change from 306 to 858
Calculation steps:
[( 858 - 306 ) ÷ 306] x 100 = 180.39%
Formula
Percentage change = [(858 - 306) / 306] x 100
Subtract the new number by the original number
858 - 306 = 552
552 ÷ 306 = 1.803921568627451
1.803921568627451 x 100 = 180.39%