128.84% is the change from 215 to 492
Calculation steps:
[( 492 - 215 ) ÷ 215] x 100 = 128.84%
Formula
Percentage change = [(492 - 215) / 215] x 100
Subtract the new number by the original number
492 - 215 = 277
277 ÷ 215 = 1.2883720930232558
1.2883720930232558 x 100 = 128.84%