-74.29% is the change from 813 to 209
Calculation steps:
[( 209 - 813 ) ÷ 813] x 100 = -74.29%
Formula
Percentage change = [(209 - 813) / 813] x 100
Subtract the new number by the original number
209 - 813 = -604
-604 ÷ 813 = -0.7429274292742928
-0.7429274292742928 x 100 = -74.29%