-69.99% is the change from 833 to 250
Calculation steps:
[( 250 - 833 ) ÷ 833] x 100 = -69.99%
Formula
Percentage change = [(250 - 833) / 833] x 100
Subtract the new number by the original number
250 - 833 = -583
-583 ÷ 833 = -0.6998799519807923
-0.6998799519807923 x 100 = -69.99%