422% is the change from 50 to 261
Calculation steps:
[( 261 - 50 ) ÷ 50] x 100 = 422%
Formula
Percentage change = [(261 - 50) / 50] x 100
Subtract the new number by the original number
261 - 50 = 211
211 ÷ 50 = 4.22
4.22 x 100 = 422%
Example