276.87% is the change from 134 to 505
Calculation steps:
[( 505 - 134 ) ÷ 134] x 100 = 276.87%
Formula
Percentage change = [(505 - 134) / 134] x 100
Subtract the new number by the original number
505 - 134 = 371
371 ÷ 134 = 2.7686567164179103
2.7686567164179103 x 100 = 276.87%