46.4% is the change from 666 to 975
Calculation steps:
[( 975 - 666 ) ÷ 666] x 100 = 46.4%
Formula
Percentage change = [(975 - 666) / 666] x 100
Subtract the new number by the original number
975 - 666 = 309
309 ÷ 666 = 0.46396396396396394
0.46396396396396394 x 100 = 46.4%