-67.91% is the change from 857 to 275
Calculation steps:
[( 275 - 857 ) ÷ 857] x 100 = -67.91%
Formula
Percentage change = [(275 - 857) / 857] x 100
Subtract the new number by the original number
275 - 857 = -582
-582 ÷ 857 = -0.6791131855309218
-0.6791131855309218 x 100 = -67.91%