-64.98% is the change from 611 to 214
Calculation steps:
[( 214 - 611 ) ÷ 611] x 100 = -64.98%
Formula
Percentage change = [(214 - 611) / 611] x 100
Subtract the new number by the original number
214 - 611 = -397
-397 ÷ 611 = -0.6497545008183306
-0.6497545008183306 x 100 = -64.98%