-69.31% is the change from 857 to 263
Calculation steps:
[( 263 - 857 ) ÷ 857] x 100 = -69.31%
Formula
Percentage change = [(263 - 857) / 857] x 100
Subtract the new number by the original number
263 - 857 = -594
-594 ÷ 857 = -0.6931155192532089
-0.6931155192532089 x 100 = -69.31%