-65.21% is the change from 618 to 215
Calculation steps:
[( 215 - 618 ) ÷ 618] x 100 = -65.21%
Formula
Percentage change = [(215 - 618) / 618] x 100
Subtract the new number by the original number
215 - 618 = -403
-403 ÷ 618 = -0.6521035598705501
-0.6521035598705501 x 100 = -65.21%