459.89% is the change from 177 to 991
Calculation steps:
[( 991 - 177 ) ÷ 177] x 100 = 459.89%
Formula
Percentage change = [(991 - 177) / 177] x 100
Subtract the new number by the original number
991 - 177 = 814
814 ÷ 177 = 4.598870056497175
4.598870056497175 x 100 = 459.89%