-89.99% is the change from 929 to 93
Calculation steps:
[( 93 - 929 ) ÷ 929] x 100 = -89.99%
Formula
Percentage change = [(93 - 929) / 929] x 100
Subtract the new number by the original number
93 - 929 = -836
-836 ÷ 929 = -0.8998923573735199
-0.8998923573735199 x 100 = -89.99%