-20.43% is the change from 690 to 549
Calculation steps:
[( 549 - 690 ) ÷ 690] x 100 = -20.43%
Formula
Percentage change = [(549 - 690) / 690] x 100
Subtract the new number by the original number
549 - 690 = -141
-141 ÷ 690 = -0.20434782608695654
-0.20434782608695654 x 100 = -20.43%