-67.59% is the change from 833 to 270
Calculation steps:
[( 270 - 833 ) ÷ 833] x 100 = -67.59%
Formula
Percentage change = [(270 - 833) / 833] x 100
Subtract the new number by the original number
270 - 833 = -563
-563 ÷ 833 = -0.6758703481392557
-0.6758703481392557 x 100 = -67.59%