-21.17% is the change from 784 to 618
Calculation steps:
[( 618 - 784 ) ÷ 784] x 100 = -21.17%
Formula
Percentage change = [(618 - 784) / 784] x 100
Subtract the new number by the original number
618 - 784 = -166
-166 ÷ 784 = -0.21173469387755103
-0.21173469387755103 x 100 = -21.17%