-77.51% is the change from 756 to 170
Calculation steps:
[( 170 - 756 ) ÷ 756] x 100 = -77.51%
Formula
Percentage change = [(170 - 756) / 756] x 100
Subtract the new number by the original number
170 - 756 = -586
-586 ÷ 756 = -0.7751322751322751
-0.7751322751322751 x 100 = -77.51%