-3.57% is the change from 784 to 756
Calculation steps:
[( 756 - 784 ) ÷ 784] x 100 = -3.57%
Formula
Percentage change = [(756 - 784) / 784] x 100
Subtract the new number by the original number
756 - 784 = -28
-28 ÷ 784 = -0.03571428571428571
-0.03571428571428571 x 100 = -3.57%