-34.04% is the change from 617 to 407
Calculation steps:
[( 407 - 617 ) ÷ 617] x 100 = -34.04%
Formula
Percentage change = [(407 - 617) / 617] x 100
Subtract the new number by the original number
407 - 617 = -210
-210 ÷ 617 = -0.34035656401944897
-0.34035656401944897 x 100 = -34.04%