-80.31% is the change from 523 to 103
Calculation steps:
[( 103 - 523 ) ÷ 523] x 100 = -80.31%
Formula
Percentage change = [(103 - 523) / 523] x 100
Subtract the new number by the original number
103 - 523 = -420
-420 ÷ 523 = -0.8030592734225621
-0.8030592734225621 x 100 = -80.31%