2.99% is the change from 669 to 689
Calculation steps:
[( 689 - 669 ) ÷ 669] x 100 = 2.99%
Formula
Percentage change = [(689 - 669) / 669] x 100
Subtract the new number by the original number
689 - 669 = 20
20 ÷ 669 = 0.029895366218236172
0.029895366218236172 x 100 = 2.99%