27.84% is the change from 485 to 620
Calculation steps:
[( 620 - 485 ) ÷ 485] x 100 = 27.84%
Formula
Percentage change = [(620 - 485) / 485] x 100
Subtract the new number by the original number
620 - 485 = 135
135 ÷ 485 = 0.27835051546391754
0.27835051546391754 x 100 = 27.84%