-82.45% is the change from 473 to 83
Calculation steps:
[( 83 - 473 ) ÷ 473] x 100 = -82.45%
Formula
Percentage change = [(83 - 473) / 473] x 100
Subtract the new number by the original number
83 - 473 = -390
-390 ÷ 473 = -0.8245243128964059
-0.8245243128964059 x 100 = -82.45%