27.46% is the change from 670 to 854
Calculation steps:
[( 854 - 670 ) ÷ 670] x 100 = 27.46%
Formula
Percentage change = [(854 - 670) / 670] x 100
Subtract the new number by the original number
854 - 670 = 184
184 ÷ 670 = 0.2746268656716418
0.2746268656716418 x 100 = 27.46%