28.34% is the change from 667 to 856
Calculation steps:
[( 856 - 667 ) ÷ 667] x 100 = 28.34%
Formula
Percentage change = [(856 - 667) / 667] x 100
Subtract the new number by the original number
856 - 667 = 189
189 ÷ 667 = 0.28335832083958024
0.28335832083958024 x 100 = 28.34%