24.84% is the change from 620 to 774
Calculation steps:
[( 774 - 620 ) ÷ 620] x 100 = 24.84%
Formula
Percentage change = [(774 - 620) / 620] x 100
Subtract the new number by the original number
774 - 620 = 154
154 ÷ 620 = 0.24838709677419354
0.24838709677419354 x 100 = 24.84%