-81.92% is the change from 553 to 100
Calculation steps:
[( 100 - 553 ) ÷ 553] x 100 = -81.92%
Formula
Percentage change = [(100 - 553) / 553] x 100
Subtract the new number by the original number
100 - 553 = -453
-453 ÷ 553 = -0.8191681735985533
-0.8191681735985533 x 100 = -81.92%