-1.78% is the change from 841 to 826
Calculation steps:
[( 826 - 841 ) ÷ 841] x 100 = -1.78%
Formula
Percentage change = [(826 - 841) / 841] x 100
Subtract the new number by the original number
826 - 841 = -15
-15 ÷ 841 = -0.0178359096313912
-0.0178359096313912 x 100 = -1.78%