66.92% is the change from 396 to 661
Calculation steps:
[( 661 - 396 ) ÷ 396] x 100 = 66.92%
Formula
Percentage change = [(661 - 396) / 396] x 100
Subtract the new number by the original number
661 - 396 = 265
265 ÷ 396 = 0.6691919191919192
0.6691919191919192 x 100 = 66.92%