53.8% is the change from 342 to 526
Calculation steps:
[( 526 - 342 ) ÷ 342] x 100 = 53.8%
Formula
Percentage change = [(526 - 342) / 342] x 100
Subtract the new number by the original number
526 - 342 = 184
184 ÷ 342 = 0.5380116959064327
0.5380116959064327 x 100 = 53.8%