57.8% is the change from 545 to 860
Calculation steps:
[( 860 - 545 ) ÷ 545] x 100 = 57.8%
Formula
Percentage change = [(860 - 545) / 545] x 100
Subtract the new number by the original number
860 - 545 = 315
315 ÷ 545 = 0.5779816513761468
0.5779816513761468 x 100 = 57.8%