217.72% is the change from 79 to 251
Calculation steps:
[( 251 - 79 ) ÷ 79] x 100 = 217.72%
Formula
Percentage change = [(251 - 79) / 79] x 100
Subtract the new number by the original number
251 - 79 = 172
172 ÷ 79 = 2.1772151898734178
2.1772151898734178 x 100 = 217.72%