-19.44% is the change from 499 to 402
Calculation steps:
[( 402 - 499 ) ÷ 499] x 100 = -19.44%
Formula
Percentage change = [(402 - 499) / 499] x 100
Subtract the new number by the original number
402 - 499 = -97
-97 ÷ 499 = -0.19438877755511022
-0.19438877755511022 x 100 = -19.44%