-3.37% is the change from 919 to 888
Calculation steps:
[( 888 - 919 ) ÷ 919] x 100 = -3.37%
Formula
Percentage change = [(888 - 919) / 919] x 100
Subtract the new number by the original number
888 - 919 = -31
-31 ÷ 919 = -0.03373231773667029
-0.03373231773667029 x 100 = -3.37%