69.01% is the change from 342 to 578
Calculation steps:
[( 578 - 342 ) ÷ 342] x 100 = 69.01%
Formula
Percentage change = [(578 - 342) / 342] x 100
Subtract the new number by the original number
578 - 342 = 236
236 ÷ 342 = 0.6900584795321637
0.6900584795321637 x 100 = 69.01%