26.57% is the change from 670 to 848
Calculation steps:
[( 848 - 670 ) ÷ 670] x 100 = 26.57%
Formula
Percentage change = [(848 - 670) / 670] x 100
Subtract the new number by the original number
848 - 670 = 178
178 ÷ 670 = 0.2656716417910448
0.2656716417910448 x 100 = 26.57%