171.43% is the change from 77 to 209
Calculation steps:
[( 209 - 77 ) ÷ 77] x 100 = 171.43%
Formula
Percentage change = [(209 - 77) / 77] x 100
Subtract the new number by the original number
209 - 77 = 132
132 ÷ 77 = 1.7142857142857142
1.7142857142857142 x 100 = 171.43%