34.07% is the change from 405 to 543
Calculation steps:
[( 543 - 405 ) ÷ 405] x 100 = 34.07%
Formula
Percentage change = [(543 - 405) / 405] x 100
Subtract the new number by the original number
543 - 405 = 138
138 ÷ 405 = 0.34074074074074073
0.34074074074074073 x 100 = 34.07%