-56.77% is the change from 229 to 99
Calculation steps:
[( 99 - 229 ) ÷ 229] x 100 = -56.77%
Formula
Percentage change = [(99 - 229) / 229] x 100
Subtract the new number by the original number
99 - 229 = -130
-130 ÷ 229 = -0.5676855895196506
-0.5676855895196506 x 100 = -56.77%