43.26% is the change from 668 to 957
Calculation steps:
[( 957 - 668 ) ÷ 668] x 100 = 43.26%
Formula
Percentage change = [(957 - 668) / 668] x 100
Subtract the new number by the original number
957 - 668 = 289
289 ÷ 668 = 0.43263473053892215
0.43263473053892215 x 100 = 43.26%