43.99% is the change from 666 to 959
Calculation steps:
[( 959 - 666 ) ÷ 666] x 100 = 43.99%
Formula
Percentage change = [(959 - 666) / 666] x 100
Subtract the new number by the original number
959 - 666 = 293
293 ÷ 666 = 0.43993993993993996
0.43993993993993996 x 100 = 43.99%