-70.99% is the change from 617 to 179
Calculation steps:
[( 179 - 617 ) ÷ 617] x 100 = -70.99%
Formula
Percentage change = [(179 - 617) / 617] x 100
Subtract the new number by the original number
179 - 617 = -438
-438 ÷ 617 = -0.7098865478119936
-0.7098865478119936 x 100 = -70.99%