80.57% is the change from 283 to 511
Calculation steps:
[( 511 - 283 ) ÷ 283] x 100 = 80.57%
Formula
Percentage change = [(511 - 283) / 283] x 100
Subtract the new number by the original number
511 - 283 = 228
228 ÷ 283 = 0.8056537102473498
0.8056537102473498 x 100 = 80.57%