77.59% is the change from 348 to 618
Calculation steps:
[( 618 - 348 ) ÷ 348] x 100 = 77.59%
Formula
Percentage change = [(618 - 348) / 348] x 100
Subtract the new number by the original number
618 - 348 = 270
270 ÷ 348 = 0.7758620689655172
0.7758620689655172 x 100 = 77.59%