74.93% is the change from 355 to 621
Calculation steps:
[( 621 - 355 ) ÷ 355] x 100 = 74.93%
Formula
Percentage change = [(621 - 355) / 355] x 100
Subtract the new number by the original number
621 - 355 = 266
266 ÷ 355 = 0.7492957746478873
0.7492957746478873 x 100 = 74.93%