-61.86% is the change from 826 to 315
Calculation steps:
[( 315 - 826 ) ÷ 826] x 100 = -61.86%
Formula
Percentage change = [(315 - 826) / 826] x 100
Subtract the new number by the original number
315 - 826 = -511
-511 ÷ 826 = -0.6186440677966102
-0.6186440677966102 x 100 = -61.86%