70.2% is the change from 406 to 691
Calculation steps:
[( 691 - 406 ) ÷ 406] x 100 = 70.2%
Formula
Percentage change = [(691 - 406) / 406] x 100
Subtract the new number by the original number
691 - 406 = 285
285 ÷ 406 = 0.7019704433497537
0.7019704433497537 x 100 = 70.2%