-39.47% is the change from 527 to 319
Calculation steps:
[( 319 - 527 ) ÷ 527] x 100 = -39.47%
Formula
Percentage change = [(319 - 527) / 527] x 100
Subtract the new number by the original number
319 - 527 = -208
-208 ÷ 527 = -0.3946869070208729
-0.3946869070208729 x 100 = -39.47%