-84.99% is the change from 553 to 83
Calculation steps:
[( 83 - 553 ) ÷ 553] x 100 = -84.99%
Formula
Percentage change = [(83 - 553) / 553] x 100
Subtract the new number by the original number
83 - 553 = -470
-470 ÷ 553 = -0.8499095840867993
-0.8499095840867993 x 100 = -84.99%