-91.06% is the change from 537 to 48
Calculation steps:
[( 48 - 537 ) ÷ 537] x 100 = -91.06%
Formula
Percentage change = [(48 - 537) / 537] x 100
Subtract the new number by the original number
48 - 537 = -489
-489 ÷ 537 = -0.9106145251396648
-0.9106145251396648 x 100 = -91.06%