-92.26% is the change from 491 to 38
Calculation steps:
[( 38 - 491 ) ÷ 491] x 100 = -92.26%
Formula
Percentage change = [(38 - 491) / 491] x 100
Subtract the new number by the original number
38 - 491 = -453
-453 ÷ 491 = -0.9226069246435845
-0.9226069246435845 x 100 = -92.26%