31.98% is the change from 691 to 912
Calculation steps:
[( 912 - 691 ) ÷ 691] x 100 = 31.98%
Formula
Percentage change = [(912 - 691) / 691] x 100
Subtract the new number by the original number
912 - 691 = 221
221 ÷ 691 = 0.31982633863965265
0.31982633863965265 x 100 = 31.98%