-84.8% is the change from 546 to 83
Calculation steps:
[( 83 - 546 ) ÷ 546] x 100 = -84.8%
Formula
Percentage change = [(83 - 546) / 546] x 100
Subtract the new number by the original number
83 - 546 = -463
-463 ÷ 546 = -0.847985347985348
-0.847985347985348 x 100 = -84.8%