1221.95% is the change from 41 to 542
Calculation steps:
[( 542 - 41 ) ÷ 41] x 100 = 1221.95%
Formula
Percentage change = [(542 - 41) / 41] x 100
Subtract the new number by the original number
542 - 41 = 501
501 ÷ 41 = 12.21951219512195
12.21951219512195 x 100 = 1221.95%