81.65% is the change from 545 to 990
Calculation steps:
[( 990 - 545 ) ÷ 545] x 100 = 81.65%
Formula
Percentage change = [(990 - 545) / 545] x 100
Subtract the new number by the original number
990 - 545 = 445
445 ÷ 545 = 0.8165137614678899
0.8165137614678899 x 100 = 81.65%