-7.9% is the change from 633 to 583
Calculation steps:
[( 583 - 633 ) ÷ 633] x 100 = -7.9%
Formula
Percentage change = [(583 - 633) / 633] x 100
Subtract the new number by the original number
583 - 633 = -50
-50 ÷ 633 = -0.07898894154818326
-0.07898894154818326 x 100 = -7.9%