22.97% is the change from 505 to 621
Calculation steps:
[( 621 - 505 ) ÷ 505] x 100 = 22.97%
Formula
Percentage change = [(621 - 505) / 505] x 100
Subtract the new number by the original number
621 - 505 = 116
116 ÷ 505 = 0.2297029702970297
0.2297029702970297 x 100 = 22.97%