-43.92% is the change from 929 to 521
Calculation steps:
[( 521 - 929 ) ÷ 929] x 100 = -43.92%
Formula
Percentage change = [(521 - 929) / 929] x 100
Subtract the new number by the original number
521 - 929 = -408
-408 ÷ 929 = -0.43918191603875134
-0.43918191603875134 x 100 = -43.92%