-81.46% is the change from 426 to 79
Calculation steps:
[( 79 - 426 ) ÷ 426] x 100 = -81.46%
Formula
Percentage change = [(79 - 426) / 426] x 100
Subtract the new number by the original number
79 - 426 = -347
-347 ÷ 426 = -0.8145539906103286
-0.8145539906103286 x 100 = -81.46%