178.57% is the change from 308 to 858
Calculation steps:
[( 858 - 308 ) ÷ 308] x 100 = 178.57%
Formula
Percentage change = [(858 - 308) / 308] x 100
Subtract the new number by the original number
858 - 308 = 550
550 ÷ 308 = 1.7857142857142858
1.7857142857142858 x 100 = 178.57%