-71.55% is the change from 348 to 99
Calculation steps:
[( 99 - 348 ) ÷ 348] x 100 = -71.55%
Formula
Percentage change = [(99 - 348) / 348] x 100
Subtract the new number by the original number
99 - 348 = -249
-249 ÷ 348 = -0.7155172413793104
-0.7155172413793104 x 100 = -71.55%