-81.77% is the change from 834 to 152
Calculation steps:
[( 152 - 834 ) ÷ 834] x 100 = -81.77%
Formula
Percentage change = [(152 - 834) / 834] x 100
Subtract the new number by the original number
152 - 834 = -682
-682 ÷ 834 = -0.8177458033573142
-0.8177458033573142 x 100 = -81.77%