-91.88% is the change from 591 to 48
Calculation steps:
[( 48 - 591 ) ÷ 591] x 100 = -91.88%
Formula
Percentage change = [(48 - 591) / 591] x 100
Subtract the new number by the original number
48 - 591 = -543
-543 ÷ 591 = -0.9187817258883249
-0.9187817258883249 x 100 = -91.88%