-40.3% is the change from 526 to 314
Calculation steps:
[( 314 - 526 ) ÷ 526] x 100 = -40.3%
Formula
Percentage change = [(314 - 526) / 526] x 100
Subtract the new number by the original number
314 - 526 = -212
-212 ÷ 526 = -0.40304182509505704
-0.40304182509505704 x 100 = -40.3%