1975% is the change from 8 to 166
Calculation steps:
[( 166 - 8 ) ÷ 8] x 100 = 1975%
Formula
Percentage change = [(166 - 8) / 8] x 100
Subtract the new number by the original number
166 - 8 = 158
158 ÷ 8 = 19.75
19.75 x 100 = 1975%
Example