43% is the change from 600 to 858
Calculation steps:
[( 858 - 600 ) ÷ 600] x 100 = 43%
Formula
Percentage change = [(858 - 600) / 600] x 100
Subtract the new number by the original number
858 - 600 = 258
258 ÷ 600 = 0.43
0.43 x 100 = 43%
Example