-77.23% is the change from 918 to 209
Calculation steps:
[( 209 - 918 ) ÷ 918] x 100 = -77.23%
Formula
Percentage change = [(209 - 918) / 918] x 100
Subtract the new number by the original number
209 - 918 = -709
-709 ÷ 918 = -0.7723311546840959
-0.7723311546840959 x 100 = -77.23%