215.71% is the change from 261 to 824
Calculation steps:
[( 824 - 261 ) ÷ 261] x 100 = 215.71%
Formula
Percentage change = [(824 - 261) / 261] x 100
Subtract the new number by the original number
824 - 261 = 563
563 ÷ 261 = 2.157088122605364
2.157088122605364 x 100 = 215.71%