428.3% is the change from 53 to 280
Calculation steps:
[( 280 - 53 ) ÷ 53] x 100 = 428.3%
Formula
Percentage change = [(280 - 53) / 53] x 100
Subtract the new number by the original number
280 - 53 = 227
227 ÷ 53 = 4.283018867924528
4.283018867924528 x 100 = 428.3%