74.36% is the change from 511 to 891
Calculation steps:
[( 891 - 511 ) ÷ 511] x 100 = 74.36%
Formula
Percentage change = [(891 - 511) / 511] x 100
Subtract the new number by the original number
891 - 511 = 380
380 ÷ 511 = 0.7436399217221135
0.7436399217221135 x 100 = 74.36%