-84.08% is the change from 647 to 103
Calculation steps:
[( 103 - 647 ) ÷ 647] x 100 = -84.08%
Formula
Percentage change = [(103 - 647) / 647] x 100
Subtract the new number by the original number
103 - 647 = -544
-544 ÷ 647 = -0.8408037094281299
-0.8408037094281299 x 100 = -84.08%