-52.47% is the change from 526 to 250
Calculation steps:
[( 250 - 526 ) ÷ 526] x 100 = -52.47%
Formula
Percentage change = [(250 - 526) / 526] x 100
Subtract the new number by the original number
250 - 526 = -276
-276 ÷ 526 = -0.5247148288973384
-0.5247148288973384 x 100 = -52.47%