-68.65% is the change from 252 to 79
Calculation steps:
[( 79 - 252 ) ÷ 252] x 100 = -68.65%
Formula
Percentage change = [(79 - 252) / 252] x 100
Subtract the new number by the original number
79 - 252 = -173
-173 ÷ 252 = -0.6865079365079365
-0.6865079365079365 x 100 = -68.65%