-52.09% is the change from 526 to 252
Calculation steps:
[( 252 - 526 ) ÷ 526] x 100 = -52.09%
Formula
Percentage change = [(252 - 526) / 526] x 100
Subtract the new number by the original number
252 - 526 = -274
-274 ÷ 526 = -0.5209125475285171
-0.5209125475285171 x 100 = -52.09%