32.87% is the change from 505 to 671
Calculation steps:
[( 671 - 505 ) ÷ 505] x 100 = 32.87%
Formula
Percentage change = [(671 - 505) / 505] x 100
Subtract the new number by the original number
671 - 505 = 166
166 ÷ 505 = 0.3287128712871287
0.3287128712871287 x 100 = 32.87%