16.93% is the change from 821 to 960
Calculation steps:
[( 960 - 821 ) ÷ 821] x 100 = 16.93%
Formula
Percentage change = [(960 - 821) / 821] x 100
Subtract the new number by the original number
960 - 821 = 139
139 ÷ 821 = 0.16930572472594396
0.16930572472594396 x 100 = 16.93%