488.46% is the change from 52 to 306
Calculation steps:
[( 306 - 52 ) ÷ 52] x 100 = 488.46%
Formula
Percentage change = [(306 - 52) / 52] x 100
Subtract the new number by the original number
306 - 52 = 254
254 ÷ 52 = 4.884615384615385
4.884615384615385 x 100 = 488.46%