28.89% is the change from 675 to 870
Calculation steps:
[( 870 - 675 ) ÷ 675] x 100 = 28.89%
Formula
Percentage change = [(870 - 675) / 675] x 100
Subtract the new number by the original number
870 - 675 = 195
195 ÷ 675 = 0.28888888888888886
0.28888888888888886 x 100 = 28.89%