-75.18% is the change from 842 to 209
Calculation steps:
[( 209 - 842 ) ÷ 842] x 100 = -75.18%
Formula
Percentage change = [(209 - 842) / 842] x 100
Subtract the new number by the original number
209 - 842 = -633
-633 ÷ 842 = -0.7517814726840855
-0.7517814726840855 x 100 = -75.18%