-88.67% is the change from 618 to 70
Calculation steps:
[( 70 - 618 ) ÷ 618] x 100 = -88.67%
Formula
Percentage change = [(70 - 618) / 618] x 100
Subtract the new number by the original number
70 - 618 = -548
-548 ÷ 618 = -0.8867313915857605
-0.8867313915857605 x 100 = -88.67%