84.98% is the change from 273 to 505
Calculation steps:
[( 505 - 273 ) ÷ 273] x 100 = 84.98%
Formula
Percentage change = [(505 - 273) / 273] x 100
Subtract the new number by the original number
505 - 273 = 232
232 ÷ 273 = 0.8498168498168498
0.8498168498168498 x 100 = 84.98%