90.85% is the change from 503 to 960
Calculation steps:
[( 960 - 503 ) ÷ 503] x 100 = 90.85%
Formula
Percentage change = [(960 - 503) / 503] x 100
Subtract the new number by the original number
960 - 503 = 457
457 ÷ 503 = 0.9085487077534792
0.9085487077534792 x 100 = 90.85%