78.61% is the change from 346 to 618
Calculation steps:
[( 618 - 346 ) ÷ 346] x 100 = 78.61%
Formula
Percentage change = [(618 - 346) / 346] x 100
Subtract the new number by the original number
618 - 346 = 272
272 ÷ 346 = 0.7861271676300579
0.7861271676300579 x 100 = 78.61%