-31.83% is the change from 930 to 634
Calculation steps:
[( 634 - 930 ) ÷ 930] x 100 = -31.83%
Formula
Percentage change = [(634 - 930) / 930] x 100
Subtract the new number by the original number
634 - 930 = -296
-296 ÷ 930 = -0.31827956989247314
-0.31827956989247314 x 100 = -31.83%