1319.05% is the change from 21 to 298
Calculation steps:
[( 298 - 21 ) ÷ 21] x 100 = 1319.05%
Formula
Percentage change = [(298 - 21) / 21] x 100
Subtract the new number by the original number
298 - 21 = 277
277 ÷ 21 = 13.19047619047619
13.19047619047619 x 100 = 1319.05%