-65.41% is the change from 610 to 211
Calculation steps:
[( 211 - 610 ) ÷ 610] x 100 = -65.41%
Formula
Percentage change = [(211 - 610) / 610] x 100
Subtract the new number by the original number
211 - 610 = -399
-399 ÷ 610 = -0.6540983606557377
-0.6540983606557377 x 100 = -65.41%