-56.31% is the change from 618 to 270
Calculation steps:
[( 270 - 618 ) ÷ 618] x 100 = -56.31%
Formula
Percentage change = [(270 - 618) / 618] x 100
Subtract the new number by the original number
270 - 618 = -348
-348 ÷ 618 = -0.5631067961165048
-0.5631067961165048 x 100 = -56.31%