-86.01% is the change from 529 to 74
Calculation steps:
[( 74 - 529 ) ÷ 529] x 100 = -86.01%
Formula
Percentage change = [(74 - 529) / 529] x 100
Subtract the new number by the original number
74 - 529 = -455
-455 ÷ 529 = -0.8601134215500945
-0.8601134215500945 x 100 = -86.01%