31.84% is the change from 691 to 911
Calculation steps:
[( 911 - 691 ) ÷ 691] x 100 = 31.84%
Formula
Percentage change = [(911 - 691) / 691] x 100
Subtract the new number by the original number
911 - 691 = 220
220 ÷ 691 = 0.3183791606367583
0.3183791606367583 x 100 = 31.84%