-64.32% is the change from 611 to 218
Calculation steps:
[( 218 - 611 ) ÷ 611] x 100 = -64.32%
Formula
Percentage change = [(218 - 611) / 611] x 100
Subtract the new number by the original number
218 - 611 = -393
-393 ÷ 611 = -0.6432078559738135
-0.6432078559738135 x 100 = -64.32%