-91.26% is the change from 538 to 47
Calculation steps:
[( 47 - 538 ) ÷ 538] x 100 = -91.26%
Formula
Percentage change = [(47 - 538) / 538] x 100
Subtract the new number by the original number
47 - 538 = -491
-491 ÷ 538 = -0.912639405204461
-0.912639405204461 x 100 = -91.26%