-82.05% is the change from 78 to 14
Calculation steps:
[( 14 - 78 ) ÷ 78] x 100 = -82.05%
Formula
Percentage change = [(14 - 78) / 78] x 100
Subtract the new number by the original number
14 - 78 = -64
-64 ÷ 78 = -0.8205128205128205
-0.8205128205128205 x 100 = -82.05%