-92.44% is the change from 833 to 63
Calculation steps:
[( 63 - 833 ) ÷ 833] x 100 = -92.44%
Formula
Percentage change = [(63 - 833) / 833] x 100
Subtract the new number by the original number
63 - 833 = -770
-770 ÷ 833 = -0.9243697478991597
-0.9243697478991597 x 100 = -92.44%