7600% is the change from 1 to 77
Calculation steps:
[( 77 - 1 ) ÷ 1] x 100 = 7600%
Formula
Percentage change = [(77 - 1) / 1] x 100
Subtract the new number by the original number
77 - 1 = 76
76 ÷ 1 = 76
76 x 100 = 7600%
Example