3219.05% is the change from 21 to 697
Calculation steps:
[( 697 - 21 ) ÷ 21] x 100 = 3219.05%
Formula
Percentage change = [(697 - 21) / 21] x 100
Subtract the new number by the original number
697 - 21 = 676
676 ÷ 21 = 32.19047619047619
32.19047619047619 x 100 = 3219.05%