261.2% is the change from 183 to 661
Calculation steps:
[( 661 - 183 ) ÷ 183] x 100 = 261.2%
Formula
Percentage change = [(661 - 183) / 183] x 100
Subtract the new number by the original number
661 - 183 = 478
478 ÷ 183 = 2.612021857923497
2.612021857923497 x 100 = 261.2%