547.62% is the change from 21 to 136
Calculation steps:
[( 136 - 21 ) ÷ 21] x 100 = 547.62%
Formula
Percentage change = [(136 - 21) / 21] x 100
Subtract the new number by the original number
136 - 21 = 115
115 ÷ 21 = 5.476190476190476
5.476190476190476 x 100 = 547.62%