-33.66% is the change from 930 to 617
Calculation steps:
[( 617 - 930 ) ÷ 930] x 100 = -33.66%
Formula
Percentage change = [(617 - 930) / 930] x 100
Subtract the new number by the original number
617 - 930 = -313
-313 ÷ 930 = -0.3365591397849462
-0.3365591397849462 x 100 = -33.66%