-44.17% is the change from 618 to 345
Calculation steps:
[( 345 - 618 ) ÷ 618] x 100 = -44.17%
Formula
Percentage change = [(345 - 618) / 618] x 100
Subtract the new number by the original number
345 - 618 = -273
-273 ÷ 618 = -0.441747572815534
-0.441747572815534 x 100 = -44.17%