6.35% is the change from 772 to 821
Calculation steps:
[( 821 - 772 ) ÷ 772] x 100 = 6.35%
Formula
Percentage change = [(821 - 772) / 772] x 100
Subtract the new number by the original number
821 - 772 = 49
49 ÷ 772 = 0.06347150259067358
0.06347150259067358 x 100 = 6.35%