221.07% is the change from 242 to 777
Calculation steps:
[( 777 - 242 ) ÷ 242] x 100 = 221.07%
Formula
Percentage change = [(777 - 242) / 242] x 100
Subtract the new number by the original number
777 - 242 = 535
535 ÷ 242 = 2.2107438016528924
2.2107438016528924 x 100 = 221.07%