212.35% is the change from 81 to 253
Calculation steps:
[( 253 - 81 ) ÷ 81] x 100 = 212.35%
Formula
Percentage change = [(253 - 81) / 81] x 100
Subtract the new number by the original number
253 - 81 = 172
172 ÷ 81 = 2.123456790123457
2.123456790123457 x 100 = 212.35%