256.78% is the change from 118 to 421
Calculation steps:
[( 421 - 118 ) ÷ 118] x 100 = 256.78%
Formula
Percentage change = [(421 - 118) / 118] x 100
Subtract the new number by the original number
421 - 118 = 303
303 ÷ 118 = 2.5677966101694913
2.5677966101694913 x 100 = 256.78%