-77.43% is the change from 833 to 188
Calculation steps:
[( 188 - 833 ) ÷ 833] x 100 = -77.43%
Formula
Percentage change = [(188 - 833) / 833] x 100
Subtract the new number by the original number
188 - 833 = -645
-645 ÷ 833 = -0.7743097238895558
-0.7743097238895558 x 100 = -77.43%