56.56% is the change from 343 to 537
Calculation steps:
[( 537 - 343 ) ÷ 343] x 100 = 56.56%
Formula
Percentage change = [(537 - 343) / 343] x 100
Subtract the new number by the original number
537 - 343 = 194
194 ÷ 343 = 0.565597667638484
0.565597667638484 x 100 = 56.56%