27.94% is the change from 68 to 87
Calculation steps:
[( 87 - 68 ) ÷ 68] x 100 = 27.94%
Formula
Percentage change = [(87 - 68) / 68] x 100
Subtract the new number by the original number
87 - 68 = 19
19 ÷ 68 = 0.27941176470588236
0.27941176470588236 x 100 = 27.94%