38.46% is the change from 247 to 342
Calculation steps:
[( 342 - 247 ) ÷ 247] x 100 = 38.46%
Formula
Percentage change = [(342 - 247) / 247] x 100
Subtract the new number by the original number
342 - 247 = 95
95 ÷ 247 = 0.38461538461538464
0.38461538461538464 x 100 = 38.46%