-89.73% is the change from 526 to 54
Calculation steps:
[( 54 - 526 ) ÷ 526] x 100 = -89.73%
Formula
Percentage change = [(54 - 526) / 526] x 100
Subtract the new number by the original number
54 - 526 = -472
-472 ÷ 526 = -0.8973384030418251
-0.8973384030418251 x 100 = -89.73%