861.9% is the change from 21 to 202
Calculation steps:
[( 202 - 21 ) ÷ 21] x 100 = 861.9%
Formula
Percentage change = [(202 - 21) / 21] x 100
Subtract the new number by the original number
202 - 21 = 181
181 ÷ 21 = 8.619047619047619
8.619047619047619 x 100 = 861.9%