-83.32% is the change from 929 to 155
Calculation steps:
[( 155 - 929 ) ÷ 929] x 100 = -83.32%
Formula
Percentage change = [(155 - 929) / 929] x 100
Subtract the new number by the original number
155 - 929 = -774
-774 ÷ 929 = -0.8331539289558665
-0.8331539289558665 x 100 = -83.32%