-41.83% is the change from 526 to 306
Calculation steps:
[( 306 - 526 ) ÷ 526] x 100 = -41.83%
Formula
Percentage change = [(306 - 526) / 526] x 100
Subtract the new number by the original number
306 - 526 = -220
-220 ÷ 526 = -0.41825095057034223
-0.41825095057034223 x 100 = -41.83%