50% is the change from 646 to 969
Calculation steps:
[( 969 - 646 ) ÷ 646] x 100 = 50%
Formula
Percentage change = [(969 - 646) / 646] x 100
Subtract the new number by the original number
969 - 646 = 323
323 ÷ 646 = 0.5
0.5 x 100 = 50%
Example