-33.83% is the change from 931 to 616
Calculation steps:
[( 616 - 931 ) ÷ 931] x 100 = -33.83%
Formula
Percentage change = [(616 - 931) / 931] x 100
Subtract the new number by the original number
616 - 931 = -315
-315 ÷ 931 = -0.3383458646616541
-0.3383458646616541 x 100 = -33.83%