-36.46% is the change from 971 to 617
Calculation steps:
[( 617 - 971 ) ÷ 971] x 100 = -36.46%
Formula
Percentage change = [(617 - 971) / 971] x 100
Subtract the new number by the original number
617 - 971 = -354
-354 ÷ 971 = -0.364572605561277
-0.364572605561277 x 100 = -36.46%