89.86% is the change from 503 to 955
Calculation steps:
[( 955 - 503 ) ÷ 503] x 100 = 89.86%
Formula
Percentage change = [(955 - 503) / 503] x 100
Subtract the new number by the original number
955 - 503 = 452
452 ÷ 503 = 0.8986083499005965
0.8986083499005965 x 100 = 89.86%