850% is the change from 22 to 209
Calculation steps:
[( 209 - 22 ) ÷ 22] x 100 = 850%
Formula
Percentage change = [(209 - 22) / 22] x 100
Subtract the new number by the original number
209 - 22 = 187
187 ÷ 22 = 8.5
8.5 x 100 = 850%
Example