-36.61% is the change from 833 to 528
Calculation steps:
[( 528 - 833 ) ÷ 833] x 100 = -36.61%
Formula
Percentage change = [(528 - 833) / 833] x 100
Subtract the new number by the original number
528 - 833 = -305
-305 ÷ 833 = -0.36614645858343337
-0.36614645858343337 x 100 = -36.61%