3.21% is the change from 655 to 676
Calculation steps:
[( 676 - 655 ) ÷ 655] x 100 = 3.21%
Formula
Percentage change = [(676 - 655) / 655] x 100
Subtract the new number by the original number
676 - 655 = 21
21 ÷ 655 = 0.03206106870229008
0.03206106870229008 x 100 = 3.21%