27.62% is the change from 525 to 670
Calculation steps:
[( 670 - 525 ) ÷ 525] x 100 = 27.62%
Formula
Percentage change = [(670 - 525) / 525] x 100
Subtract the new number by the original number
670 - 525 = 145
145 ÷ 525 = 0.2761904761904762
0.2761904761904762 x 100 = 27.62%