-66.21% is the change from 293 to 99
Calculation steps:
[( 99 - 293 ) ÷ 293] x 100 = -66.21%
Formula
Percentage change = [(99 - 293) / 293] x 100
Subtract the new number by the original number
99 - 293 = -194
-194 ÷ 293 = -0.6621160409556314
-0.6621160409556314 x 100 = -66.21%