-34.08% is the change from 936 to 617
Calculation steps:
[( 617 - 936 ) ÷ 936] x 100 = -34.08%
Formula
Percentage change = [(617 - 936) / 936] x 100
Subtract the new number by the original number
617 - 936 = -319
-319 ÷ 936 = -0.3408119658119658
-0.3408119658119658 x 100 = -34.08%