631.71% is the change from 123 to 900
Calculation steps:
[( 900 - 123 ) ÷ 123] x 100 = 631.71%
Formula
Percentage change = [(900 - 123) / 123] x 100
Subtract the new number by the original number
900 - 123 = 777
777 ÷ 123 = 6.317073170731708
6.317073170731708 x 100 = 631.71%