69.7% is the change from 406 to 689
Calculation steps:
[( 689 - 406 ) ÷ 406] x 100 = 69.7%
Formula
Percentage change = [(689 - 406) / 406] x 100
Subtract the new number by the original number
689 - 406 = 283
283 ÷ 406 = 0.6970443349753694
0.6970443349753694 x 100 = 69.7%