1185% is the change from 20 to 257
Calculation steps:
[( 257 - 20 ) ÷ 20] x 100 = 1185%
Formula
Percentage change = [(257 - 20) / 20] x 100
Subtract the new number by the original number
257 - 20 = 237
237 ÷ 20 = 11.85
11.85 x 100 = 1185%
Example