27.31% is the change from 487 to 620
Calculation steps:
[( 620 - 487 ) ÷ 487] x 100 = 27.31%
Formula
Percentage change = [(620 - 487) / 487] x 100
Subtract the new number by the original number
620 - 487 = 133
133 ÷ 487 = 0.2731006160164271
0.2731006160164271 x 100 = 27.31%