42.76% is the change from 435 to 621
Calculation steps:
[( 621 - 435 ) ÷ 435] x 100 = 42.76%
Formula
Percentage change = [(621 - 435) / 435] x 100
Subtract the new number by the original number
621 - 435 = 186
186 ÷ 435 = 0.42758620689655175
0.42758620689655175 x 100 = 42.76%