-49.76% is the change from 826 to 415
Calculation steps:
[( 415 - 826 ) ÷ 826] x 100 = -49.76%
Formula
Percentage change = [(415 - 826) / 826] x 100
Subtract the new number by the original number
415 - 826 = -411
-411 ÷ 826 = -0.4975786924939467
-0.4975786924939467 x 100 = -49.76%