83.18% is the change from 541 to 991
Calculation steps:
[( 991 - 541 ) ÷ 541] x 100 = 83.18%
Formula
Percentage change = [(991 - 541) / 541] x 100
Subtract the new number by the original number
991 - 541 = 450
450 ÷ 541 = 0.8317929759704251
0.8317929759704251 x 100 = 83.18%