49.03% is the change from 669 to 997
Calculation steps:
[( 997 - 669 ) ÷ 669] x 100 = 49.03%
Formula
Percentage change = [(997 - 669) / 669] x 100
Subtract the new number by the original number
997 - 669 = 328
328 ÷ 669 = 0.49028400597907323
0.49028400597907323 x 100 = 49.03%