-3.49% is the change from 545 to 526
Calculation steps:
[( 526 - 545 ) ÷ 545] x 100 = -3.49%
Formula
Percentage change = [(526 - 545) / 545] x 100
Subtract the new number by the original number
526 - 545 = -19
-19 ÷ 545 = -0.03486238532110092
-0.03486238532110092 x 100 = -3.49%