-76.35% is the change from 334 to 79
Calculation steps:
[( 79 - 334 ) ÷ 334] x 100 = -76.35%
Formula
Percentage change = [(79 - 334) / 334] x 100
Subtract the new number by the original number
79 - 334 = -255
-255 ÷ 334 = -0.7634730538922155
-0.7634730538922155 x 100 = -76.35%