456.74% is the change from 178 to 991
Calculation steps:
[( 991 - 178 ) ÷ 178] x 100 = 456.74%
Formula
Percentage change = [(991 - 178) / 178] x 100
Subtract the new number by the original number
991 - 178 = 813
813 ÷ 178 = 4.567415730337078
4.567415730337078 x 100 = 456.74%