40.51% is the change from 669 to 940
Calculation steps:
[( 940 - 669 ) ÷ 669] x 100 = 40.51%
Formula
Percentage change = [(940 - 669) / 669] x 100
Subtract the new number by the original number
940 - 669 = 271
271 ÷ 669 = 0.40508221225710017
0.40508221225710017 x 100 = 40.51%