-60.42% is the change from 859 to 340
Calculation steps:
[( 340 - 859 ) ÷ 859] x 100 = -60.42%
Formula
Percentage change = [(340 - 859) / 859] x 100
Subtract the new number by the original number
340 - 859 = -519
-519 ÷ 859 = -0.6041909196740396
-0.6041909196740396 x 100 = -60.42%