-61.1% is the change from 617 to 240
Calculation steps:
[( 240 - 617 ) ÷ 617] x 100 = -61.1%
Formula
Percentage change = [(240 - 617) / 617] x 100
Subtract the new number by the original number
240 - 617 = -377
-377 ÷ 617 = -0.6110210696920584
-0.6110210696920584 x 100 = -61.1%