-37.05% is the change from 826 to 520
Calculation steps:
[( 520 - 826 ) ÷ 826] x 100 = -37.05%
Formula
Percentage change = [(520 - 826) / 826] x 100
Subtract the new number by the original number
520 - 826 = -306
-306 ÷ 826 = -0.3704600484261501
-0.3704600484261501 x 100 = -37.05%