-22.53% is the change from 617 to 478
Calculation steps:
[( 478 - 617 ) ÷ 617] x 100 = -22.53%
Formula
Percentage change = [(478 - 617) / 617] x 100
Subtract the new number by the original number
478 - 617 = -139
-139 ÷ 617 = -0.2252836304700162
-0.2252836304700162 x 100 = -22.53%