291.7% is the change from 253 to 991
Calculation steps:
[( 991 - 253 ) ÷ 253] x 100 = 291.7%
Formula
Percentage change = [(991 - 253) / 253] x 100
Subtract the new number by the original number
991 - 253 = 738
738 ÷ 253 = 2.91699604743083
2.91699604743083 x 100 = 291.7%