-48.79% is the change from 824 to 422
Calculation steps:
[( 422 - 824 ) ÷ 824] x 100 = -48.79%
Formula
Percentage change = [(422 - 824) / 824] x 100
Subtract the new number by the original number
422 - 824 = -402
-402 ÷ 824 = -0.4878640776699029
-0.4878640776699029 x 100 = -48.79%