47.3% is the change from 666 to 981
Calculation steps:
[( 981 - 666 ) ÷ 666] x 100 = 47.3%
Formula
Percentage change = [(981 - 666) / 666] x 100
Subtract the new number by the original number
981 - 666 = 315
315 ÷ 666 = 0.47297297297297297
0.47297297297297297 x 100 = 47.3%