-83.78% is the change from 635 to 103
Calculation steps:
[( 103 - 635 ) ÷ 635] x 100 = -83.78%
Formula
Percentage change = [(103 - 635) / 635] x 100
Subtract the new number by the original number
103 - 635 = -532
-532 ÷ 635 = -0.8377952755905512
-0.8377952755905512 x 100 = -83.78%