-3.04% is the change from 526 to 510
Calculation steps:
[( 510 - 526 ) ÷ 526] x 100 = -3.04%
Formula
Percentage change = [(510 - 526) / 526] x 100
Subtract the new number by the original number
510 - 526 = -16
-16 ÷ 526 = -0.030418250950570342
-0.030418250950570342 x 100 = -3.04%