-47.95% is the change from 830 to 432
Calculation steps:
[( 432 - 830 ) ÷ 830] x 100 = -47.95%
Formula
Percentage change = [(432 - 830) / 830] x 100
Subtract the new number by the original number
432 - 830 = -398
-398 ÷ 830 = -0.4795180722891566
-0.4795180722891566 x 100 = -47.95%