-50.31% is the change from 477 to 237
Calculation steps:
[( 237 - 477 ) ÷ 477] x 100 = -50.31%
Formula
Percentage change = [(237 - 477) / 477] x 100
Subtract the new number by the original number
237 - 477 = -240
-240 ÷ 477 = -0.5031446540880503
-0.5031446540880503 x 100 = -50.31%