-2.18% is the change from 919 to 899
Calculation steps:
[( 899 - 919 ) ÷ 919] x 100 = -2.18%
Formula
Percentage change = [(899 - 919) / 919] x 100
Subtract the new number by the original number
899 - 919 = -20
-20 ÷ 919 = -0.02176278563656148
-0.02176278563656148 x 100 = -2.18%