-6.86% is the change from 919 to 856
Calculation steps:
[( 856 - 919 ) ÷ 919] x 100 = -6.86%
Formula
Percentage change = [(856 - 919) / 919] x 100
Subtract the new number by the original number
856 - 919 = -63
-63 ÷ 919 = -0.06855277475516866
-0.06855277475516866 x 100 = -6.86%