246.88% is the change from 192 to 666
Calculation steps:
[( 666 - 192 ) ÷ 192] x 100 = 246.88%
Formula
Percentage change = [(666 - 192) / 192] x 100
Subtract the new number by the original number
666 - 192 = 474
474 ÷ 192 = 2.46875
2.46875 x 100 = 246.88%