58.43% is the change from 344 to 545
Calculation steps:
[( 545 - 344 ) ÷ 344] x 100 = 58.43%
Formula
Percentage change = [(545 - 344) / 344] x 100
Subtract the new number by the original number
545 - 344 = 201
201 ÷ 344 = 0.5843023255813954
0.5843023255813954 x 100 = 58.43%