-6.78% is the change from 841 to 784
Calculation steps:
[( 784 - 841 ) ÷ 841] x 100 = -6.78%
Formula
Percentage change = [(784 - 841) / 841] x 100
Subtract the new number by the original number
784 - 841 = -57
-57 ÷ 841 = -0.06777645659928656
-0.06777645659928656 x 100 = -6.78%