29.84% is the change from 620 to 805
Calculation steps:
[( 805 - 620 ) ÷ 620] x 100 = 29.84%
Formula
Percentage change = [(805 - 620) / 620] x 100
Subtract the new number by the original number
805 - 620 = 185
185 ÷ 620 = 0.29838709677419356
0.29838709677419356 x 100 = 29.84%