-40.68% is the change from 526 to 312
Calculation steps:
[( 312 - 526 ) ÷ 526] x 100 = -40.68%
Formula
Percentage change = [(312 - 526) / 526] x 100
Subtract the new number by the original number
312 - 526 = -214
-214 ÷ 526 = -0.4068441064638783
-0.4068441064638783 x 100 = -40.68%