-72.03% is the change from 354 to 99
Calculation steps:
[( 99 - 354 ) ÷ 354] x 100 = -72.03%
Formula
Percentage change = [(99 - 354) / 354] x 100
Subtract the new number by the original number
99 - 354 = -255
-255 ÷ 354 = -0.7203389830508474
-0.7203389830508474 x 100 = -72.03%