215.58% is the change from 77 to 243
Calculation steps:
[( 243 - 77 ) ÷ 77] x 100 = 215.58%
Formula
Percentage change = [(243 - 77) / 77] x 100
Subtract the new number by the original number
243 - 77 = 166
166 ÷ 77 = 2.155844155844156
2.155844155844156 x 100 = 215.58%