91.65% is the change from 503 to 964
Calculation steps:
[( 964 - 503 ) ÷ 503] x 100 = 91.65%
Formula
Percentage change = [(964 - 503) / 503] x 100
Subtract the new number by the original number
964 - 503 = 461
461 ÷ 503 = 0.9165009940357853
0.9165009940357853 x 100 = 91.65%