261.9% is the change from 252 to 912
Calculation steps:
[( 912 - 252 ) ÷ 252] x 100 = 261.9%
Formula
Percentage change = [(912 - 252) / 252] x 100
Subtract the new number by the original number
912 - 252 = 660
660 ÷ 252 = 2.619047619047619
2.619047619047619 x 100 = 261.9%