82.02% is the change from 506 to 921
Calculation steps:
[( 921 - 506 ) ÷ 506] x 100 = 82.02%
Formula
Percentage change = [(921 - 506) / 506] x 100
Subtract the new number by the original number
921 - 506 = 415
415 ÷ 506 = 0.8201581027667985
0.8201581027667985 x 100 = 82.02%