-52.3% is the change from 610 to 291
Calculation steps:
[( 291 - 610 ) ÷ 610] x 100 = -52.3%
Formula
Percentage change = [(291 - 610) / 610] x 100
Subtract the new number by the original number
291 - 610 = -319
-319 ÷ 610 = -0.5229508196721312
-0.5229508196721312 x 100 = -52.3%