-27.97% is the change from 690 to 497
Calculation steps:
[( 497 - 690 ) ÷ 690] x 100 = -27.97%
Formula
Percentage change = [(497 - 690) / 690] x 100
Subtract the new number by the original number
497 - 690 = -193
-193 ÷ 690 = -0.2797101449275362
-0.2797101449275362 x 100 = -27.97%