-81.14% is the change from 493 to 93
Calculation steps:
[( 93 - 493 ) ÷ 493] x 100 = -81.14%
Formula
Percentage change = [(93 - 493) / 493] x 100
Subtract the new number by the original number
93 - 493 = -400
-400 ÷ 493 = -0.8113590263691683
-0.8113590263691683 x 100 = -81.14%