40.52% is the change from 343 to 482
Calculation steps:
[( 482 - 343 ) ÷ 343] x 100 = 40.52%
Formula
Percentage change = [(482 - 343) / 343] x 100
Subtract the new number by the original number
482 - 343 = 139
139 ÷ 343 = 0.40524781341107874
0.40524781341107874 x 100 = 40.52%