19700% is the change from 1 to 198
Calculation steps:
[( 198 - 1 ) ÷ 1] x 100 = 19700%
Formula
Percentage change = [(198 - 1) / 1] x 100
Subtract the new number by the original number
198 - 1 = 197
197 ÷ 1 = 197
197 x 100 = 19700%
Example