569.11% is the change from 123 to 823
Calculation steps:
[( 823 - 123 ) ÷ 123] x 100 = 569.11%
Formula
Percentage change = [(823 - 123) / 123] x 100
Subtract the new number by the original number
823 - 123 = 700
700 ÷ 123 = 5.691056910569106
5.691056910569106 x 100 = 569.11%