-35.73% is the change from 529 to 340
Calculation steps:
[( 340 - 529 ) ÷ 529] x 100 = -35.73%
Formula
Percentage change = [(340 - 529) / 529] x 100
Subtract the new number by the original number
340 - 529 = -189
-189 ÷ 529 = -0.3572778827977316
-0.3572778827977316 x 100 = -35.73%