345.9% is the change from 61 to 272
Calculation steps:
[( 272 - 61 ) ÷ 61] x 100 = 345.9%
Formula
Percentage change = [(272 - 61) / 61] x 100
Subtract the new number by the original number
272 - 61 = 211
211 ÷ 61 = 3.459016393442623
3.459016393442623 x 100 = 345.9%