89.66% is the change from 406 to 770
Calculation steps:
[( 770 - 406 ) ÷ 406] x 100 = 89.66%
Formula
Percentage change = [(770 - 406) / 406] x 100
Subtract the new number by the original number
770 - 406 = 364
364 ÷ 406 = 0.896551724137931
0.896551724137931 x 100 = 89.66%