-77.55% is the change from 833 to 187
Calculation steps:
[( 187 - 833 ) ÷ 833] x 100 = -77.55%
Formula
Percentage change = [(187 - 833) / 833] x 100
Subtract the new number by the original number
187 - 833 = -646
-646 ÷ 833 = -0.7755102040816326
-0.7755102040816326 x 100 = -77.55%