-6.15% is the change from 895 to 840
Calculation steps:
[( 840 - 895 ) ÷ 895] x 100 = -6.15%
Formula
Percentage change = [(840 - 895) / 895] x 100
Subtract the new number by the original number
840 - 895 = -55
-55 ÷ 895 = -0.061452513966480445
-0.061452513966480445 x 100 = -6.15%