-35.84% is the change from 664 to 426
Calculation steps:
[( 426 - 664 ) ÷ 664] x 100 = -35.84%
Formula
Percentage change = [(426 - 664) / 664] x 100
Subtract the new number by the original number
426 - 664 = -238
-238 ÷ 664 = -0.35843373493975905
-0.35843373493975905 x 100 = -35.84%