1295.45% is the change from 66 to 921
Calculation steps:
[( 921 - 66 ) ÷ 66] x 100 = 1295.45%
Formula
Percentage change = [(921 - 66) / 66] x 100
Subtract the new number by the original number
921 - 66 = 855
855 ÷ 66 = 12.954545454545455
12.954545454545455 x 100 = 1295.45%