81.86% is the change from 408 to 742
Calculation steps:
[( 742 - 408 ) ÷ 408] x 100 = 81.86%
Formula
Percentage change = [(742 - 408) / 408] x 100
Subtract the new number by the original number
742 - 408 = 334
334 ÷ 408 = 0.8186274509803921
0.8186274509803921 x 100 = 81.86%