87.24% is the change from 392 to 734
Calculation steps:
[( 734 - 392 ) ÷ 392] x 100 = 87.24%
Formula
Percentage change = [(734 - 392) / 392] x 100
Subtract the new number by the original number
734 - 392 = 342
342 ÷ 392 = 0.8724489795918368
0.8724489795918368 x 100 = 87.24%