76.5% is the change from 366 to 646
Calculation steps:
[( 646 - 366 ) ÷ 366] x 100 = 76.5%
Formula
Percentage change = [(646 - 366) / 366] x 100
Subtract the new number by the original number
646 - 366 = 280
280 ÷ 366 = 0.7650273224043715
0.7650273224043715 x 100 = 76.5%