-74.67% is the change from 833 to 211
Calculation steps:
[( 211 - 833 ) ÷ 833] x 100 = -74.67%
Formula
Percentage change = [(211 - 833) / 833] x 100
Subtract the new number by the original number
211 - 833 = -622
-622 ÷ 833 = -0.7466986794717887
-0.7466986794717887 x 100 = -74.67%