-66.02% is the change from 618 to 210
Calculation steps:
[( 210 - 618 ) ÷ 618] x 100 = -66.02%
Formula
Percentage change = [(210 - 618) / 618] x 100
Subtract the new number by the original number
210 - 618 = -408
-408 ÷ 618 = -0.6601941747572816
-0.6601941747572816 x 100 = -66.02%