-2.17% is the change from 784 to 767
Calculation steps:
[( 767 - 784 ) ÷ 784] x 100 = -2.17%
Formula
Percentage change = [(767 - 784) / 784] x 100
Subtract the new number by the original number
767 - 784 = -17
-17 ÷ 784 = -0.021683673469387755
-0.021683673469387755 x 100 = -2.17%