54.95% is the change from 91 to 141
Calculation steps:
[( 141 - 91 ) ÷ 91] x 100 = 54.95%
Formula
Percentage change = [(141 - 91) / 91] x 100
Subtract the new number by the original number
141 - 91 = 50
50 ÷ 91 = 0.5494505494505495
0.5494505494505495 x 100 = 54.95%