90.56% is the change from 180 to 343
Calculation steps:
[( 343 - 180 ) ÷ 180] x 100 = 90.56%
Formula
Percentage change = [(343 - 180) / 180] x 100
Subtract the new number by the original number
343 - 180 = 163
163 ÷ 180 = 0.9055555555555556
0.9055555555555556 x 100 = 90.56%