-91.08% is the change from 538 to 48
Calculation steps:
[( 48 - 538 ) ÷ 538] x 100 = -91.08%
Formula
Percentage change = [(48 - 538) / 538] x 100
Subtract the new number by the original number
48 - 538 = -490
-490 ÷ 538 = -0.9107806691449815
-0.9107806691449815 x 100 = -91.08%