148.37% is the change from 215 to 534
Calculation steps:
[( 534 - 215 ) ÷ 215] x 100 = 148.37%
Formula
Percentage change = [(534 - 215) / 215] x 100
Subtract the new number by the original number
534 - 215 = 319
319 ÷ 215 = 1.4837209302325582
1.4837209302325582 x 100 = 148.37%