-7.47% is the change from 857 to 793
Calculation steps:
[( 793 - 857 ) ÷ 857] x 100 = -7.47%
Formula
Percentage change = [(793 - 857) / 857] x 100
Subtract the new number by the original number
793 - 857 = -64
-64 ÷ 857 = -0.07467911318553092
-0.07467911318553092 x 100 = -7.47%