-71.29% is the change from 829 to 238
Calculation steps:
[( 238 - 829 ) ÷ 829] x 100 = -71.29%
Formula
Percentage change = [(238 - 829) / 829] x 100
Subtract the new number by the original number
238 - 829 = -591
-591 ÷ 829 = -0.7129071170084439
-0.7129071170084439 x 100 = -71.29%