-5.77% is the change from 919 to 866
Calculation steps:
[( 866 - 919 ) ÷ 919] x 100 = -5.77%
Formula
Percentage change = [(866 - 919) / 919] x 100
Subtract the new number by the original number
866 - 919 = -53
-53 ÷ 919 = -0.05767138193688792
-0.05767138193688792 x 100 = -5.77%