662.6% is the change from 123 to 938
Calculation steps:
[( 938 - 123 ) ÷ 123] x 100 = 662.6%
Formula
Percentage change = [(938 - 123) / 123] x 100
Subtract the new number by the original number
938 - 123 = 815
815 ÷ 123 = 6.626016260162602
6.626016260162602 x 100 = 662.6%