30.15% is the change from 670 to 872
Calculation steps:
[( 872 - 670 ) ÷ 670] x 100 = 30.15%
Formula
Percentage change = [(872 - 670) / 670] x 100
Subtract the new number by the original number
872 - 670 = 202
202 ÷ 670 = 0.30149253731343284
0.30149253731343284 x 100 = 30.15%