27.75% is the change from 681 to 870
Calculation steps:
[( 870 - 681 ) ÷ 681] x 100 = 27.75%
Formula
Percentage change = [(870 - 681) / 681] x 100
Subtract the new number by the original number
870 - 681 = 189
189 ÷ 681 = 0.2775330396475771
0.2775330396475771 x 100 = 27.75%