150.15% is the change from 343 to 858
Calculation steps:
[( 858 - 343 ) ÷ 343] x 100 = 150.15%
Formula
Percentage change = [(858 - 343) / 343] x 100
Subtract the new number by the original number
858 - 343 = 515
515 ÷ 343 = 1.501457725947522
1.501457725947522 x 100 = 150.15%