-65.5% is the change from 229 to 79
Calculation steps:
[( 79 - 229 ) ÷ 229] x 100 = -65.5%
Formula
Percentage change = [(79 - 229) / 229] x 100
Subtract the new number by the original number
79 - 229 = -150
-150 ÷ 229 = -0.6550218340611353
-0.6550218340611353 x 100 = -65.5%