39.49% is the change from 666 to 929
Calculation steps:
[( 929 - 666 ) ÷ 666] x 100 = 39.49%
Formula
Percentage change = [(929 - 666) / 666] x 100
Subtract the new number by the original number
929 - 666 = 263
263 ÷ 666 = 0.3948948948948949
0.3948948948948949 x 100 = 39.49%