-28.84% is the change from 690 to 491
Calculation steps:
[( 491 - 690 ) ÷ 690] x 100 = -28.84%
Formula
Percentage change = [(491 - 690) / 690] x 100
Subtract the new number by the original number
491 - 690 = -199
-199 ÷ 690 = -0.28840579710144926
-0.28840579710144926 x 100 = -28.84%