-89.84% is the change from 492 to 50
Calculation steps:
[( 50 - 492 ) ÷ 492] x 100 = -89.84%
Formula
Percentage change = [(50 - 492) / 492] x 100
Subtract the new number by the original number
50 - 492 = -442
-442 ÷ 492 = -0.8983739837398373
-0.8983739837398373 x 100 = -89.84%