-32.15% is the change from 930 to 631
Calculation steps:
[( 631 - 930 ) ÷ 930] x 100 = -32.15%
Formula
Percentage change = [(631 - 930) / 930] x 100
Subtract the new number by the original number
631 - 930 = -299
-299 ÷ 930 = -0.32150537634408605
-0.32150537634408605 x 100 = -32.15%