31.54% is the change from 260 to 342
Calculation steps:
[( 342 - 260 ) ÷ 260] x 100 = 31.54%
Formula
Percentage change = [(342 - 260) / 260] x 100
Subtract the new number by the original number
342 - 260 = 82
82 ÷ 260 = 0.3153846153846154
0.3153846153846154 x 100 = 31.54%