-62.72% is the change from 617 to 230
Calculation steps:
[( 230 - 617 ) ÷ 617] x 100 = -62.72%
Formula
Percentage change = [(230 - 617) / 617] x 100
Subtract the new number by the original number
230 - 617 = -387
-387 ÷ 617 = -0.6272285251215559
-0.6272285251215559 x 100 = -62.72%