-81.21% is the change from 495 to 93
Calculation steps:
[( 93 - 495 ) ÷ 495] x 100 = -81.21%
Formula
Percentage change = [(93 - 495) / 495] x 100
Subtract the new number by the original number
93 - 495 = -402
-402 ÷ 495 = -0.8121212121212121
-0.8121212121212121 x 100 = -81.21%