73.43% is the change from 271 to 470
Calculation steps:
[( 470 - 271 ) ÷ 271] x 100 = 73.43%
Formula
Percentage change = [(470 - 271) / 271] x 100
Subtract the new number by the original number
470 - 271 = 199
199 ÷ 271 = 0.7343173431734318
0.7343173431734318 x 100 = 73.43%