-54.86% is the change from 689 to 311
Calculation steps:
[( 311 - 689 ) ÷ 689] x 100 = -54.86%
Formula
Percentage change = [(311 - 689) / 689] x 100
Subtract the new number by the original number
311 - 689 = -378
-378 ÷ 689 = -0.548621190130624
-0.548621190130624 x 100 = -54.86%