40.55% is the change from 545 to 766
Calculation steps:
[( 766 - 545 ) ÷ 545] x 100 = 40.55%
Formula
Percentage change = [(766 - 545) / 545] x 100
Subtract the new number by the original number
766 - 545 = 221
221 ÷ 545 = 0.4055045871559633
0.4055045871559633 x 100 = 40.55%