-20.32% is the change from 689 to 549
Calculation steps:
[( 549 - 689 ) ÷ 689] x 100 = -20.32%
Formula
Percentage change = [(549 - 689) / 689] x 100
Subtract the new number by the original number
549 - 689 = -140
-140 ÷ 689 = -0.20319303338171263
-0.20319303338171263 x 100 = -20.32%