1350% is the change from 66 to 957
Calculation steps:
[( 957 - 66 ) ÷ 66] x 100 = 1350%
Formula
Percentage change = [(957 - 66) / 66] x 100
Subtract the new number by the original number
957 - 66 = 891
891 ÷ 66 = 13.5
13.5 x 100 = 1350%
Example