-69.14% is the change from 499 to 154
Calculation steps:
[( 154 - 499 ) ÷ 499] x 100 = -69.14%
Formula
Percentage change = [(154 - 499) / 499] x 100
Subtract the new number by the original number
154 - 499 = -345
-345 ÷ 499 = -0.6913827655310621
-0.6913827655310621 x 100 = -69.14%