1023.81% is the change from 21 to 236
Calculation steps:
[( 236 - 21 ) ÷ 21] x 100 = 1023.81%
Formula
Percentage change = [(236 - 21) / 21] x 100
Subtract the new number by the original number
236 - 21 = 215
215 ÷ 21 = 10.238095238095237
10.238095238095237 x 100 = 1023.81%