-53.74% is the change from 214 to 99
Calculation steps:
[( 99 - 214 ) ÷ 214] x 100 = -53.74%
Formula
Percentage change = [(99 - 214) / 214] x 100
Subtract the new number by the original number
99 - 214 = -115
-115 ÷ 214 = -0.5373831775700935
-0.5373831775700935 x 100 = -53.74%