-83.49% is the change from 933 to 154
Calculation steps:
[( 154 - 933 ) ÷ 933] x 100 = -83.49%
Formula
Percentage change = [(154 - 933) / 933] x 100
Subtract the new number by the original number
154 - 933 = -779
-779 ÷ 933 = -0.834941050375134
-0.834941050375134 x 100 = -83.49%