-72.01% is the change from 493 to 138
Calculation steps:
[( 138 - 493 ) ÷ 493] x 100 = -72.01%
Formula
Percentage change = [(138 - 493) / 493] x 100
Subtract the new number by the original number
138 - 493 = -355
-355 ÷ 493 = -0.7200811359026369
-0.7200811359026369 x 100 = -72.01%