69.21% is the change from 406 to 687
Calculation steps:
[( 687 - 406 ) ÷ 406] x 100 = 69.21%
Formula
Percentage change = [(687 - 406) / 406] x 100
Subtract the new number by the original number
687 - 406 = 281
281 ÷ 406 = 0.6921182266009852
0.6921182266009852 x 100 = 69.21%