-80.97% is the change from 473 to 90
Calculation steps:
[( 90 - 473 ) ÷ 473] x 100 = -80.97%
Formula
Percentage change = [(90 - 473) / 473] x 100
Subtract the new number by the original number
90 - 473 = -383
-383 ÷ 473 = -0.8097251585623678
-0.8097251585623678 x 100 = -80.97%