27.91% is the change from 688 to 880
Calculation steps:
[( 880 - 688 ) ÷ 688] x 100 = 27.91%
Formula
Percentage change = [(880 - 688) / 688] x 100
Subtract the new number by the original number
880 - 688 = 192
192 ÷ 688 = 0.27906976744186046
0.27906976744186046 x 100 = 27.91%