-82.74% is the change from 481 to 83
Calculation steps:
[( 83 - 481 ) ÷ 481] x 100 = -82.74%
Formula
Percentage change = [(83 - 481) / 481] x 100
Subtract the new number by the original number
83 - 481 = -398
-398 ÷ 481 = -0.8274428274428275
-0.8274428274428275 x 100 = -82.74%