-59.32% is the change from 617 to 251
Calculation steps:
[( 251 - 617 ) ÷ 617] x 100 = -59.32%
Formula
Percentage change = [(251 - 617) / 617] x 100
Subtract the new number by the original number
251 - 617 = -366
-366 ÷ 617 = -0.593192868719611
-0.593192868719611 x 100 = -59.32%