-90.78% is the change from 683 to 63
Calculation steps:
[( 63 - 683 ) ÷ 683] x 100 = -90.78%
Formula
Percentage change = [(63 - 683) / 683] x 100
Subtract the new number by the original number
63 - 683 = -620
-620 ÷ 683 = -0.9077598828696926
-0.9077598828696926 x 100 = -90.78%