52.05% is the change from 536 to 815
Calculation steps:
[( 815 - 536 ) ÷ 536] x 100 = 52.05%
Formula
Percentage change = [(815 - 536) / 536] x 100
Subtract the new number by the original number
815 - 536 = 279
279 ÷ 536 = 0.5205223880597015
0.5205223880597015 x 100 = 52.05%