18.47% is the change from 693 to 821
Calculation steps:
[( 821 - 693 ) ÷ 693] x 100 = 18.47%
Formula
Percentage change = [(821 - 693) / 693] x 100
Subtract the new number by the original number
821 - 693 = 128
128 ÷ 693 = 0.1847041847041847
0.1847041847041847 x 100 = 18.47%