-19.54% is the change from 527 to 424
Calculation steps:
[( 424 - 527 ) ÷ 527] x 100 = -19.54%
Formula
Percentage change = [(424 - 527) / 527] x 100
Subtract the new number by the original number
424 - 527 = -103
-103 ÷ 527 = -0.1954459203036053
-0.1954459203036053 x 100 = -19.54%