-37.38% is the change from 527 to 330
Calculation steps:
[( 330 - 527 ) ÷ 527] x 100 = -37.38%
Formula
Percentage change = [(330 - 527) / 527] x 100
Subtract the new number by the original number
330 - 527 = -197
-197 ÷ 527 = -0.3738140417457306
-0.3738140417457306 x 100 = -37.38%