21.62% is the change from 680 to 827
Calculation steps:
[( 827 - 680 ) ÷ 680] x 100 = 21.62%
Formula
Percentage change = [(827 - 680) / 680] x 100
Subtract the new number by the original number
827 - 680 = 147
147 ÷ 680 = 0.2161764705882353
0.2161764705882353 x 100 = 21.62%