174.68% is the change from 79 to 217
Calculation steps:
[( 217 - 79 ) ÷ 79] x 100 = 174.68%
Formula
Percentage change = [(217 - 79) / 79] x 100
Subtract the new number by the original number
217 - 79 = 138
138 ÷ 79 = 1.7468354430379747
1.7468354430379747 x 100 = 174.68%