-49.92% is the change from 633 to 317
Calculation steps:
[( 317 - 633 ) ÷ 633] x 100 = -49.92%
Formula
Percentage change = [(317 - 633) / 633] x 100
Subtract the new number by the original number
317 - 633 = -316
-316 ÷ 633 = -0.49921011058451814
-0.49921011058451814 x 100 = -49.92%