-78.12% is the change from 786 to 172
Calculation steps:
[( 172 - 786 ) ÷ 786] x 100 = -78.12%
Formula
Percentage change = [(172 - 786) / 786] x 100
Subtract the new number by the original number
172 - 786 = -614
-614 ÷ 786 = -0.7811704834605598
-0.7811704834605598 x 100 = -78.12%