81.84% is the change from 534 to 971
Calculation steps:
[( 971 - 534 ) ÷ 534] x 100 = 81.84%
Formula
Percentage change = [(971 - 534) / 534] x 100
Subtract the new number by the original number
971 - 534 = 437
437 ÷ 534 = 0.8183520599250936
0.8183520599250936 x 100 = 81.84%