41.47% is the change from 668 to 945
Calculation steps:
[( 945 - 668 ) ÷ 668] x 100 = 41.47%
Formula
Percentage change = [(945 - 668) / 668] x 100
Subtract the new number by the original number
945 - 668 = 277
277 ÷ 668 = 0.41467065868263475
0.41467065868263475 x 100 = 41.47%