-47.57% is the change from 618 to 324
Calculation steps:
[( 324 - 618 ) ÷ 618] x 100 = -47.57%
Formula
Percentage change = [(324 - 618) / 618] x 100
Subtract the new number by the original number
324 - 618 = -294
-294 ÷ 618 = -0.47572815533980584
-0.47572815533980584 x 100 = -47.57%