97700% is the change from 1 to 978
Calculation steps:
[( 978 - 1 ) ÷ 1] x 100 = 97700%
Formula
Percentage change = [(978 - 1) / 1] x 100
Subtract the new number by the original number
978 - 1 = 977
977 ÷ 1 = 977
977 x 100 = 97700%
Example