-77.98% is the change from 949 to 209
Calculation steps:
[( 209 - 949 ) ÷ 949] x 100 = -77.98%
Formula
Percentage change = [(209 - 949) / 949] x 100
Subtract the new number by the original number
209 - 949 = -740
-740 ÷ 949 = -0.779768177028451
-0.779768177028451 x 100 = -77.98%