6.77% is the change from 473 to 505
Calculation steps:
[( 505 - 473 ) ÷ 473] x 100 = 6.77%
Formula
Percentage change = [(505 - 473) / 473] x 100
Subtract the new number by the original number
505 - 473 = 32
32 ÷ 473 = 0.06765327695560254
0.06765327695560254 x 100 = 6.77%