99.38% is the change from 480 to 957
Calculation steps:
[( 957 - 480 ) ÷ 480] x 100 = 99.38%
Formula
Percentage change = [(957 - 480) / 480] x 100
Subtract the new number by the original number
957 - 480 = 477
477 ÷ 480 = 0.99375
0.99375 x 100 = 99.38%