-75.96% is the change from 857 to 206
Calculation steps:
[( 206 - 857 ) ÷ 857] x 100 = -75.96%
Formula
Percentage change = [(206 - 857) / 857] x 100
Subtract the new number by the original number
206 - 857 = -651
-651 ÷ 857 = -0.7596266044340724
-0.7596266044340724 x 100 = -75.96%