12700% is the change from 1 to 128
Calculation steps:
[( 128 - 1 ) ÷ 1] x 100 = 12700%
Formula
Percentage change = [(128 - 1) / 1] x 100
Subtract the new number by the original number
128 - 1 = 127
127 ÷ 1 = 127
127 x 100 = 12700%
Example