-42.31% is the change from 917 to 529
Calculation steps:
[( 529 - 917 ) ÷ 917] x 100 = -42.31%
Formula
Percentage change = [(529 - 917) / 917] x 100
Subtract the new number by the original number
529 - 917 = -388
-388 ÷ 917 = -0.42311886586695746
-0.42311886586695746 x 100 = -42.31%