-41.96% is the change from 815 to 473
Calculation steps:
[( 473 - 815 ) ÷ 815] x 100 = -41.96%
Formula
Percentage change = [(473 - 815) / 815] x 100
Subtract the new number by the original number
473 - 815 = -342
-342 ÷ 815 = -0.4196319018404908
-0.4196319018404908 x 100 = -41.96%