-40.14% is the change from 857 to 513
Calculation steps:
[( 513 - 857 ) ÷ 857] x 100 = -40.14%
Formula
Percentage change = [(513 - 857) / 857] x 100
Subtract the new number by the original number
513 - 857 = -344
-344 ÷ 857 = -0.4014002333722287
-0.4014002333722287 x 100 = -40.14%