-29.77% is the change from 618 to 434
Calculation steps:
[( 434 - 618 ) ÷ 618] x 100 = -29.77%
Formula
Percentage change = [(434 - 618) / 618] x 100
Subtract the new number by the original number
434 - 618 = -184
-184 ÷ 618 = -0.2977346278317152
-0.2977346278317152 x 100 = -29.77%