-82.49% is the change from 474 to 83
Calculation steps:
[( 83 - 474 ) ÷ 474] x 100 = -82.49%
Formula
Percentage change = [(83 - 474) / 474] x 100
Subtract the new number by the original number
83 - 474 = -391
-391 ÷ 474 = -0.8248945147679325
-0.8248945147679325 x 100 = -82.49%