1410.61% is the change from 66 to 997
Calculation steps:
[( 997 - 66 ) ÷ 66] x 100 = 1410.61%
Formula
Percentage change = [(997 - 66) / 66] x 100
Subtract the new number by the original number
997 - 66 = 931
931 ÷ 66 = 14.106060606060606
14.106060606060606 x 100 = 1410.61%