-62.19% is the change from 611 to 231
Calculation steps:
[( 231 - 611 ) ÷ 611] x 100 = -62.19%
Formula
Percentage change = [(231 - 611) / 611] x 100
Subtract the new number by the original number
231 - 611 = -380
-380 ÷ 611 = -0.6219312602291326
-0.6219312602291326 x 100 = -62.19%