-74.61% is the change from 839 to 213
Calculation steps:
[( 213 - 839 ) ÷ 839] x 100 = -74.61%
Formula
Percentage change = [(213 - 839) / 839] x 100
Subtract the new number by the original number
213 - 839 = -626
-626 ÷ 839 = -0.7461263408820024
-0.7461263408820024 x 100 = -74.61%