-38.48% is the change from 499 to 307
Calculation steps:
[( 307 - 499 ) ÷ 499] x 100 = -38.48%
Formula
Percentage change = [(307 - 499) / 499] x 100
Subtract the new number by the original number
307 - 499 = -192
-192 ÷ 499 = -0.3847695390781563
-0.3847695390781563 x 100 = -38.48%