-41.36% is the change from 839 to 492
Calculation steps:
[( 492 - 839 ) ÷ 839] x 100 = -41.36%
Formula
Percentage change = [(492 - 839) / 839] x 100
Subtract the new number by the original number
492 - 839 = -347
-347 ÷ 839 = -0.4135876042908224
-0.4135876042908224 x 100 = -41.36%