69.78% is the change from 407 to 691
Calculation steps:
[( 691 - 407 ) ÷ 407] x 100 = 69.78%
Formula
Percentage change = [(691 - 407) / 407] x 100
Subtract the new number by the original number
691 - 407 = 284
284 ÷ 407 = 0.6977886977886978
0.6977886977886978 x 100 = 69.78%