90.37% is the change from 509 to 969
Calculation steps:
[( 969 - 509 ) ÷ 509] x 100 = 90.37%
Formula
Percentage change = [(969 - 509) / 509] x 100
Subtract the new number by the original number
969 - 509 = 460
460 ÷ 509 = 0.9037328094302554
0.9037328094302554 x 100 = 90.37%