27.81% is the change from 525 to 671
Calculation steps:
[( 671 - 525 ) ÷ 525] x 100 = 27.81%
Formula
Percentage change = [(671 - 525) / 525] x 100
Subtract the new number by the original number
671 - 525 = 146
146 ÷ 525 = 0.2780952380952381
0.2780952380952381 x 100 = 27.81%