82.05% is the change from 156 to 284
Calculation steps:
[( 284 - 156 ) ÷ 156] x 100 = 82.05%
Formula
Percentage change = [(284 - 156) / 156] x 100
Subtract the new number by the original number
284 - 156 = 128
128 ÷ 156 = 0.8205128205128205
0.8205128205128205 x 100 = 82.05%