-68.94% is the change from 293 to 91
Calculation steps:
[( 91 - 293 ) ÷ 293] x 100 = -68.94%
Formula
Percentage change = [(91 - 293) / 293] x 100
Subtract the new number by the original number
91 - 293 = -202
-202 ÷ 293 = -0.689419795221843
-0.689419795221843 x 100 = -68.94%