81.16% is the change from 536 to 971
Calculation steps:
[( 971 - 536 ) ÷ 536] x 100 = 81.16%
Formula
Percentage change = [(971 - 536) / 536] x 100
Subtract the new number by the original number
971 - 536 = 435
435 ÷ 536 = 0.8115671641791045
0.8115671641791045 x 100 = 81.16%