-34.41% is the change from 930 to 610
Calculation steps:
[( 610 - 930 ) ÷ 930] x 100 = -34.41%
Formula
Percentage change = [(610 - 930) / 930] x 100
Subtract the new number by the original number
610 - 930 = -320
-320 ÷ 930 = -0.34408602150537637
-0.34408602150537637 x 100 = -34.41%