-79.12% is the change from 249 to 52
Calculation steps:
[( 52 - 249 ) ÷ 249] x 100 = -79.12%
Formula
Percentage change = [(52 - 249) / 249] x 100
Subtract the new number by the original number
52 - 249 = -197
-197 ÷ 249 = -0.7911646586345381
-0.7911646586345381 x 100 = -79.12%