-18.45% is the change from 786 to 641
Calculation steps:
[( 641 - 786 ) ÷ 786] x 100 = -18.45%
Formula
Percentage change = [(641 - 786) / 786] x 100
Subtract the new number by the original number
641 - 786 = -145
-145 ÷ 786 = -0.18447837150127228
-0.18447837150127228 x 100 = -18.45%