136.52% is the change from 178 to 421
Calculation steps:
[( 421 - 178 ) ÷ 178] x 100 = 136.52%
Formula
Percentage change = [(421 - 178) / 178] x 100
Subtract the new number by the original number
421 - 178 = 243
243 ÷ 178 = 1.3651685393258426
1.3651685393258426 x 100 = 136.52%