60.53% is the change from 342 to 549
Calculation steps:
[( 549 - 342 ) ÷ 342] x 100 = 60.53%
Formula
Percentage change = [(549 - 342) / 342] x 100
Subtract the new number by the original number
549 - 342 = 207
207 ÷ 342 = 0.6052631578947368
0.6052631578947368 x 100 = 60.53%