-57.51% is the change from 233 to 99
Calculation steps:
[( 99 - 233 ) ÷ 233] x 100 = -57.51%
Formula
Percentage change = [(99 - 233) / 233] x 100
Subtract the new number by the original number
99 - 233 = -134
-134 ÷ 233 = -0.575107296137339
-0.575107296137339 x 100 = -57.51%